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This commit is contained in:
Guillaume Maudoux 2022-03-07 11:33:03 +01:00
parent 1b5a8db148
commit 13c4dc6532
19 changed files with 239 additions and 231 deletions
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2
src/libcmd/installables.cc
View file

@ -524,7 +524,7 @@ ref<eval_cache::EvalCache> openEvalCache(
auto vFlake = state.allocValue(); auto vFlake = state.allocValue();
flake::callFlake(state, *lockedFlake, *vFlake); flake::callFlake(state, *lockedFlake, *vFlake);
state.forceAttrs(*vFlake, noPos, "While evaluating a cached flake"); state.forceAttrs(*vFlake, noPos, "While evaluating a cached flake: ");
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs")); auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
assert(aOutputs); assert(aOutputs);

2
src/libexpr/attr-path.cc
View file

@ -112,7 +112,7 @@ Pos findPackageFilename(EvalState & state, Value & v, std::string what)
// FIXME: is it possible to extract the Pos object instead of doing this // FIXME: is it possible to extract the Pos object instead of doing this
// toString + parsing? // toString + parsing?
auto pos = state.forceString(*v2, noPos, "While evaluating the meta.position attribute of a derivation"); auto pos = state.forceString(*v2, noPos, "While evaluating the meta.position attribute of a derivation: ");
auto colon = pos.rfind(':'); auto colon = pos.rfind(':');
if (colon == std::string::npos) if (colon == std::string::npos)

2
src/libexpr/eval-cache.cc
View file

@ -336,7 +336,7 @@ Value & AttrCursor::getValue()
if (!_value) { if (!_value) {
if (parent) { if (parent) {
auto & vParent = parent->first->getValue(); auto & vParent = parent->first->getValue();
root->state.forceAttrs(vParent, noPos, "While evaluating the parent attr set"); root->state.forceAttrs(vParent, noPos, "While evaluating the parent attr set: ");
auto attr = vParent.attrs->get(parent->second); auto attr = vParent.attrs->get(parent->second);
if (!attr) if (!attr)
throw Error("attribute '%s' is unexpectedly missing", getAttrPathStr()); throw Error("attribute '%s' is unexpectedly missing", getAttrPathStr());

4
src/libexpr/eval-inline.hh
View file

@ -63,7 +63,7 @@ inline void EvalState::forceAttrs(Value & v, Callable getPos, const std::string
{ {
forceValue(v, getPos); forceValue(v, getPos);
if (v.type() != nAttrs) if (v.type() != nAttrs)
throwTypeError(getPos(), "%2%: value is %1% while a set was expected", v, errorCtx); throwTypeError(getPos(), "%2%value is %1% while a set was expected", v, errorCtx);
} }
@ -71,7 +71,7 @@ inline void EvalState::forceList(Value & v, const Pos & pos, const std::string &
{ {
forceValue(v, pos); forceValue(v, pos);
if (!v.isList()) if (!v.isList())
throwTypeError(pos, "%2%: value is %1% while a list was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a list was expected", v, errorCtx);
} }
/* Note: Various places expect the allocated memory to be zeroed. */ /* Note: Various places expect the allocated memory to be zeroed. */

56
src/libexpr/eval.cc
View file

@ -297,7 +297,7 @@ static Symbol getName(const AttrName & name, EvalState & state, Env & env)
} else { } else {
Value nameValue; Value nameValue;
name.expr->eval(state, env, nameValue); name.expr->eval(state, env, nameValue);
state.forceStringNoCtx(nameValue, noPos, "While evaluating an attribute name"); state.forceStringNoCtx(nameValue, noPos, "While evaluating an attribute name: ");
return state.symbols.create(nameValue.string.s); return state.symbols.create(nameValue.string.s);
} }
} }
@ -720,6 +720,14 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const
}); });
} }
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const std::string & s2, const std::string & s3, const std::string & s4))
{
throw EvalError({
.msg = hintfmt(s, s2, s3, s4),
.errPos = pos
});
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const Symbol & sym, const Pos & p2)) LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const Symbol & sym, const Pos & p2))
{ {
// p1 is where the error occurred; p2 is a position mentioned in the message. // p1 is where the error occurred; p2 is a position mentioned in the message.
@ -1037,7 +1045,7 @@ inline bool EvalState::evalBool(Env & env, Expr * e, const Pos & pos, const std:
Value v; Value v;
e->eval(*this, env, v); e->eval(*this, env, v);
if (v.type() != nBool) if (v.type() != nBool)
throwTypeError(pos, "%2%: value is %1% while a Boolean was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a Boolean was expected", v, errorCtx);
return v.boolean; return v.boolean;
} }
@ -1046,7 +1054,7 @@ inline void EvalState::evalAttrs(Env & env, Expr * e, Value & v, const Pos & pos
{ {
e->eval(*this, env, v); e->eval(*this, env, v);
if (v.type() != nAttrs) if (v.type() != nAttrs)
throwTypeError(pos, "%2%: value is %1% while a set was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a set was expected", v, errorCtx);
} }
@ -1119,7 +1127,7 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
Hence we need __overrides.) */ Hence we need __overrides.) */
if (hasOverrides) { if (hasOverrides) {
Value * vOverrides = (*v.attrs)[overrides->second.displ].value; Value * vOverrides = (*v.attrs)[overrides->second.displ].value;
state.forceAttrs(*vOverrides, [&]() { return vOverrides->determinePos(noPos); }, "While evaluating the `__overrides` attribute"); state.forceAttrs(*vOverrides, [&]() { return vOverrides->determinePos(noPos); }, "While evaluating the `__overrides` attribute: ");
Bindings * newBnds = state.allocBindings(v.attrs->capacity() + vOverrides->attrs->size()); Bindings * newBnds = state.allocBindings(v.attrs->capacity() + vOverrides->attrs->size());
for (auto & i : *v.attrs) for (auto & i : *v.attrs)
newBnds->push_back(i); newBnds->push_back(i);
@ -1147,7 +1155,7 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
state.forceValue(nameVal, i.pos); state.forceValue(nameVal, i.pos);
if (nameVal.type() == nNull) if (nameVal.type() == nNull)
continue; continue;
state.forceStringNoCtx(nameVal, i.pos, "While evaluating the name of a dynamic attribute"); state.forceStringNoCtx(nameVal, i.pos, "While evaluating the name of a dynamic attribute: ");
Symbol nameSym = state.symbols.create(nameVal.string.s); Symbol nameSym = state.symbols.create(nameVal.string.s);
Bindings::iterator j = v.attrs->find(nameSym); Bindings::iterator j = v.attrs->find(nameSym);
if (j != v.attrs->end()) if (j != v.attrs->end())
@ -1237,7 +1245,7 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
return; return;
} }
} else { } else {
state.forceAttrs(*vAttrs, pos, "While selecting an attribute"); state.forceAttrs(*vAttrs, pos, "While selecting an attribute: ");
if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end()) if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end())
throwEvalError(pos, "attribute '%1%' missing", name); throwEvalError(pos, "attribute '%1%' missing", name);
} }
@ -1328,7 +1336,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
env2.values[displ++] = args[0]; env2.values[displ++] = args[0];
else { else {
forceAttrs(*args[0], pos, "While evaluating the value passed as argument to a function expecting an attribute set"); forceAttrs(*args[0], pos, "While evaluating the value passed as argument to a function expecting an attribute set: ");
if (!lambda.arg.empty()) if (!lambda.arg.empty())
env2.values[displ++] = args[0]; env2.values[displ++] = args[0];
@ -1570,7 +1578,7 @@ void ExprOpEq::eval(EvalState & state, Env & env, Value & v)
{ {
Value v1; e1->eval(state, env, v1); Value v1; e1->eval(state, env, v1);
Value v2; e2->eval(state, env, v2); Value v2; e2->eval(state, env, v2);
v.mkBool(state.eqValues(v1, v2)); v.mkBool(state.eqValues(v1, v2, pos, ""));
} }
@ -1578,7 +1586,7 @@ void ExprOpNEq::eval(EvalState & state, Env & env, Value & v)
{ {
Value v1; e1->eval(state, env, v1); Value v1; e1->eval(state, env, v1);
Value v2; e2->eval(state, env, v2); Value v2; e2->eval(state, env, v2);
v.mkBool(!state.eqValues(v1, v2)); v.mkBool(!state.eqValues(v1, v2, pos, ""));
} }
@ -1806,7 +1814,7 @@ NixInt EvalState::forceInt(Value & v, const Pos & pos, const std::string & error
{ {
forceValue(v, pos); forceValue(v, pos);
if (v.type() != nInt) if (v.type() != nInt)
throwTypeError(pos, "%2%: value is %1% while an integer was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while an integer was expected", v, errorCtx);
return v.integer; return v.integer;
} }
@ -1817,7 +1825,7 @@ NixFloat EvalState::forceFloat(Value & v, const Pos & pos, const std::string & e
if (v.type() == nInt) if (v.type() == nInt)
return v.integer; return v.integer;
else if (v.type() != nFloat) else if (v.type() != nFloat)
throwTypeError(pos, "%2%: value is %1% while a float was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a float was expected", v, errorCtx);
return v.fpoint; return v.fpoint;
} }
@ -1826,7 +1834,7 @@ bool EvalState::forceBool(Value & v, const Pos & pos, const std::string & errorC
{ {
forceValue(v, pos); forceValue(v, pos);
if (v.type() != nBool) if (v.type() != nBool)
throwTypeError(pos, "%2%: value is %1% while a Boolean was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a Boolean was expected", v, errorCtx);
return v.boolean; return v.boolean;
} }
@ -1841,7 +1849,7 @@ void EvalState::forceFunction(Value & v, const Pos & pos, const std::string & er
{ {
forceValue(v, pos); forceValue(v, pos);
if (v.type() != nFunction && !isFunctor(v)) if (v.type() != nFunction && !isFunctor(v))
throwTypeError(pos, "%2%: value is %1% while a function was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a function was expected", v, errorCtx);
} }
@ -1849,7 +1857,7 @@ std::string_view EvalState::forceString(Value & v, const Pos & pos, const std::s
{ {
forceValue(v, pos); forceValue(v, pos);
if (v.type() != nString) { if (v.type() != nString) {
throwTypeError(pos, "%2%: value is %1% while a string was expected", v, errorCtx); throwTypeError(pos, "%2%value is %1% while a string was expected", v, errorCtx);
} }
return v.string.s; return v.string.s;
} }
@ -1958,7 +1966,7 @@ BackedStringView EvalState::coerceToString(const Pos & pos, Value & v, PathSet &
if (maybeString) if (maybeString)
return std::move(*maybeString); return std::move(*maybeString);
auto i = v.attrs->find(sOutPath); auto i = v.attrs->find(sOutPath);
if (i == v.attrs->end()) throwTypeError(pos, "%2%: cannot coerce %1% to a string", v, errorCtx); if (i == v.attrs->end()) throwTypeError(pos, "%2%cannot coerce %1% to a string", v, errorCtx);
return coerceToString(pos, *i->value, context, coerceMore, copyToStore, canonicalizePath, errorCtx); return coerceToString(pos, *i->value, context, coerceMore, copyToStore, canonicalizePath, errorCtx);
} }
@ -1989,7 +1997,7 @@ BackedStringView EvalState::coerceToString(const Pos & pos, Value & v, PathSet &
} }
} }
throwTypeError(pos, "%2%: cannot coerce %1% to a string", v, errorCtx); throwTypeError(pos, "%2%cannot coerce %1% to a string", v, errorCtx);
} }
@ -2021,7 +2029,7 @@ Path EvalState::coerceToPath(const Pos & pos, Value & v, PathSet & context, cons
{ {
auto path = coerceToString(pos, v, context, false, false, true, errorCtx).toOwned(); auto path = coerceToString(pos, v, context, false, false, true, errorCtx).toOwned();
if (path == "" || path[0] != '/') if (path == "" || path[0] != '/')
throwEvalError(pos, "%2%: string '%1%' doesn't represent an absolute path", path, errorCtx); throwEvalError(pos, "%2%string '%1%' doesn't represent an absolute path", path, errorCtx);
return path; return path;
} }
@ -2032,13 +2040,13 @@ StorePath EvalState::coerceToStorePath(const Pos & pos, Value & v, PathSet & con
if (auto storePath = store->maybeParseStorePath(path)) if (auto storePath = store->maybeParseStorePath(path))
return *storePath; return *storePath;
throw EvalError({ throw EvalError({
.msg = hintfmt("%2%: path '%1%' is not in the Nix store", path, errorCtx), .msg = hintfmt("%2%path '%1%' is not in the Nix store", path, errorCtx),
.errPos = pos .errPos = pos
}); });
} }
bool EvalState::eqValues(Value & v1, Value & v2) bool EvalState::eqValues(Value & v1, Value & v2, const Pos & pos, const std::string & errorCtx)
{ {
forceValue(v1, noPos); forceValue(v1, noPos);
forceValue(v2, noPos); forceValue(v2, noPos);
@ -2077,7 +2085,7 @@ bool EvalState::eqValues(Value & v1, Value & v2)
case nList: case nList:
if (v1.listSize() != v2.listSize()) return false; if (v1.listSize() != v2.listSize()) return false;
for (size_t n = 0; n < v1.listSize(); ++n) for (size_t n = 0; n < v1.listSize(); ++n)
if (!eqValues(*v1.listElems()[n], *v2.listElems()[n])) return false; if (!eqValues(*v1.listElems()[n], *v2.listElems()[n], pos, errorCtx)) return false;
return true; return true;
case nAttrs: { case nAttrs: {
@ -2087,7 +2095,7 @@ bool EvalState::eqValues(Value & v1, Value & v2)
Bindings::iterator i = v1.attrs->find(sOutPath); Bindings::iterator i = v1.attrs->find(sOutPath);
Bindings::iterator j = v2.attrs->find(sOutPath); Bindings::iterator j = v2.attrs->find(sOutPath);
if (i != v1.attrs->end() && j != v2.attrs->end()) if (i != v1.attrs->end() && j != v2.attrs->end())
return eqValues(*i->value, *j->value); return eqValues(*i->value, *j->value, pos, errorCtx);
} }
if (v1.attrs->size() != v2.attrs->size()) return false; if (v1.attrs->size() != v2.attrs->size()) return false;
@ -2095,7 +2103,7 @@ bool EvalState::eqValues(Value & v1, Value & v2)
/* Otherwise, compare the attributes one by one. */ /* Otherwise, compare the attributes one by one. */
Bindings::iterator i, j; Bindings::iterator i, j;
for (i = v1.attrs->begin(), j = v2.attrs->begin(); i != v1.attrs->end(); ++i, ++j) for (i = v1.attrs->begin(), j = v2.attrs->begin(); i != v1.attrs->end(); ++i, ++j)
if (i->name != j->name || !eqValues(*i->value, *j->value)) if (i->name != j->name || !eqValues(*i->value, *j->value, pos, errorCtx))
return false; return false;
return true; return true;
@ -2112,7 +2120,7 @@ bool EvalState::eqValues(Value & v1, Value & v2)
return v1.fpoint == v2.fpoint; return v1.fpoint == v2.fpoint;
default: default:
throwEvalError("cannot compare %1% with %2%", showType(v1), showType(v2)); throwEvalError(pos, "%3%cannot compare %1% with %2%", showType(v1), showType(v2), errorCtx);
} }
} }
@ -2237,7 +2245,7 @@ void EvalState::printStats()
std::string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore, const std::string & errorCtx) const std::string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore, const std::string & errorCtx) const
{ {
throw TypeError({ throw TypeError({
.msg = hintfmt("%2%: cannot coerce %1% to a string", showType(), errorCtx), .msg = hintfmt("%2%cannot coerce %1% to a string", showType(), errorCtx),
.errPos = pos .errPos = pos
}); });
} }

2
src/libexpr/eval.hh
View file

@ -329,7 +329,7 @@ public:
/* Do a deep equality test between two values. That is, list /* Do a deep equality test between two values. That is, list
elements and attributes are compared recursively. */ elements and attributes are compared recursively. */
bool eqValues(Value & v1, Value & v2); bool eqValues(Value & v1, Value & v2, const Pos & pos, const std::string & errorCtx);
bool isFunctor(Value & fun); bool isFunctor(Value & fun);

2
src/libexpr/flake/flake.cc
View file

@ -708,7 +708,7 @@ static void prim_getFlake(EvalState & state, const Pos & pos, Value * * args, Va
{ {
state.requireExperimentalFeatureOnEvaluation(Xp::Flakes, "builtins.getFlake", pos); state.requireExperimentalFeatureOnEvaluation(Xp::Flakes, "builtins.getFlake", pos);
std::string flakeRefS(state.forceStringNoCtx(*args[0], pos, "While evaluating the argument passed to builtins.getFlake")); std::string flakeRefS(state.forceStringNoCtx(*args[0], pos, "While evaluating the argument passed to builtins.getFlake: "));
auto flakeRef = parseFlakeRef(flakeRefS, {}, true); auto flakeRef = parseFlakeRef(flakeRefS, {}, true);
if (evalSettings.pureEval && !flakeRef.input.isLocked()) if (evalSettings.pureEval && !flakeRef.input.isLocked())
throw Error("cannot call 'getFlake' on unlocked flake reference '%s', at %s (use --impure to override)", flakeRefS, pos); throw Error("cannot call 'getFlake' on unlocked flake reference '%s', at %s (use --impure to override)", flakeRefS, pos);

22
src/libexpr/get-drvs.cc
View file

@ -50,7 +50,7 @@ std::string DrvInfo::queryName() const
if (name == "" && attrs) { if (name == "" && attrs) {
auto i = attrs->find(state->sName); auto i = attrs->find(state->sName);
if (i == attrs->end()) throw TypeError("derivation name missing"); if (i == attrs->end()) throw TypeError("derivation name missing");
name = state->forceStringNoCtx(*i->value, noPos, "While evaluating the name of a DrvInfo"); name = state->forceStringNoCtx(*i->value, noPos, "While evaluating the name of a DrvInfo: ");
} }
return name; return name;
} }
@ -60,7 +60,7 @@ std::string DrvInfo::querySystem() const
{ {
if (system == "" && attrs) { if (system == "" && attrs) {
auto i = attrs->find(state->sSystem); auto i = attrs->find(state->sSystem);
system = i == attrs->end() ? "unknown" : state->forceStringNoCtx(*i->value, *i->pos, "While evaluating the system of a DrvInfo"); system = i == attrs->end() ? "unknown" : state->forceStringNoCtx(*i->value, *i->pos, "While evaluating the system of a DrvInfo: ");
} }
return system; return system;
} }
@ -74,7 +74,7 @@ std::optional<StorePath> DrvInfo::queryDrvPath() const
if (i == attrs->end()) if (i == attrs->end())
drvPath = {std::nullopt}; drvPath = {std::nullopt};
else else
drvPath = {state->coerceToStorePath(*i->pos, *i->value, context, "Whyle evaluating the drv path of a DrvInfo")}; drvPath = {state->coerceToStorePath(*i->pos, *i->value, context, "Whyle evaluating the drv path of a DrvInfo: ")};
} }
return drvPath.value_or(std::nullopt); return drvPath.value_or(std::nullopt);
} }
@ -94,7 +94,7 @@ StorePath DrvInfo::queryOutPath() const
Bindings::iterator i = attrs->find(state->sOutPath); Bindings::iterator i = attrs->find(state->sOutPath);
PathSet context; PathSet context;
if (i != attrs->end()) if (i != attrs->end())
outPath = state->coerceToStorePath(*i->pos, *i->value, context, "While evaluating the output path of a DrvInfo"); outPath = state->coerceToStorePath(*i->pos, *i->value, context, "While evaluating the output path of a DrvInfo: ");
} }
if (!outPath) if (!outPath)
throw UnimplementedError("CA derivations are not yet supported"); throw UnimplementedError("CA derivations are not yet supported");
@ -108,21 +108,21 @@ DrvInfo::Outputs DrvInfo::queryOutputs(bool onlyOutputsToInstall)
/* Get the ‘outputs’ list. */ /* Get the ‘outputs’ list. */
Bindings::iterator i; Bindings::iterator i;
if (attrs && (i = attrs->find(state->sOutputs)) != attrs->end()) { if (attrs && (i = attrs->find(state->sOutputs)) != attrs->end()) {
state->forceList(*i->value, *i->pos, "While evaluating the outputs of a DrvInfo"); state->forceList(*i->value, *i->pos, "While evaluating the outputs of a DrvInfo: ");
/* For each output... */ /* For each output... */
for (auto elem : i->value->listItems()) { for (auto elem : i->value->listItems()) {
/* Evaluate the corresponding set. */ /* Evaluate the corresponding set. */
std::string name(state->forceStringNoCtx(*elem, *i->pos, "While evaluating the name of one output of a DrvInfo")); std::string name(state->forceStringNoCtx(*elem, *i->pos, "While evaluating the name of one output of a DrvInfo: "));
Bindings::iterator out = attrs->find(state->symbols.create(name)); Bindings::iterator out = attrs->find(state->symbols.create(name));
if (out == attrs->end()) continue; // FIXME: throw error? if (out == attrs->end()) continue; // FIXME: throw error?
state->forceAttrs(*out->value, *i->pos, "While evaluating the description of a DrvInfo output"); state->forceAttrs(*out->value, *i->pos, "While evaluating the description of a DrvInfo output: ");
/* And evaluate its ‘outPath’ attribute. */ /* And evaluate its ‘outPath’ attribute. */
Bindings::iterator outPath = out->value->attrs->find(state->sOutPath); Bindings::iterator outPath = out->value->attrs->find(state->sOutPath);
if (outPath == out->value->attrs->end()) continue; // FIXME: throw error? if (outPath == out->value->attrs->end()) continue; // FIXME: throw error?
PathSet context; PathSet context;
outputs.emplace(name, state->coerceToStorePath(*outPath->pos, *outPath->value, context, "While evaluating the outPath of an output path of a DrvInfo")); outputs.emplace(name, state->coerceToStorePath(*outPath->pos, *outPath->value, context, "While evaluating the outPath of an output path of a DrvInfo: "));
} }
} else } else
outputs.emplace("out", queryOutPath()); outputs.emplace("out", queryOutPath());
@ -151,7 +151,7 @@ std::string DrvInfo::queryOutputName() const
{ {
if (outputName == "" && attrs) { if (outputName == "" && attrs) {
Bindings::iterator i = attrs->find(state->sOutputName); Bindings::iterator i = attrs->find(state->sOutputName);
outputName = i != attrs->end() ? state->forceStringNoCtx(*i->value, noPos, "While evaluating the output name of a DrvInfo") : ""; outputName = i != attrs->end() ? state->forceStringNoCtx(*i->value, noPos, "While evaluating the output name of a DrvInfo: ") : "";
} }
return outputName; return outputName;
} }
@ -163,7 +163,7 @@ Bindings * DrvInfo::getMeta()
if (!attrs) return 0; if (!attrs) return 0;
Bindings::iterator a = attrs->find(state->sMeta); Bindings::iterator a = attrs->find(state->sMeta);
if (a == attrs->end()) return 0; if (a == attrs->end()) return 0;
state->forceAttrs(*a->value, *a->pos, "While evaluating the `meta` attribute of a DrvInfo"); state->forceAttrs(*a->value, *a->pos, "While evaluating the `meta` attribute of a DrvInfo: ");
meta = a->value->attrs; meta = a->value->attrs;
return meta; return meta;
} }
@ -364,7 +364,7 @@ static void getDerivations(EvalState & state, Value & vIn,
`recurseForDerivations = true' attribute. */ `recurseForDerivations = true' attribute. */
if (i->value->type() == nAttrs) { if (i->value->type() == nAttrs) {
Bindings::iterator j = i->value->attrs->find(state.sRecurseForDerivations); Bindings::iterator j = i->value->attrs->find(state.sRecurseForDerivations);
if (j != i->value->attrs->end() && state.forceBool(*j->value, *j->pos, "While evaluating the attribute `recurseForDerivations`")) if (j != i->value->attrs->end() && state.forceBool(*j->value, *j->pos, "While evaluating the attribute `recurseForDerivations`: "))
getDerivations(state, *i->value, pathPrefix2, autoArgs, drvs, done, ignoreAssertionFailures); getDerivations(state, *i->value, pathPrefix2, autoArgs, drvs, done, ignoreAssertionFailures);
} }
} }

298
src/libexpr/primops.cc
View file

@ -103,7 +103,7 @@ static Path realisePath(EvalState & state, const Pos & pos, Value & v, const Rea
auto path = [&]() auto path = [&]()
{ {
try { try {
return state.coerceToPath(pos, v, context, "While realising the context of a path"); return state.coerceToPath(pos, v, context, "While realising the context of a path: ");
} catch (Error & e) { } catch (Error & e) {
e.addTrace(pos, "while realising the context of a path"); e.addTrace(pos, "while realising the context of a path");
throw; throw;
@ -195,9 +195,9 @@ static void import(EvalState & state, const Pos & pos, Value & vPath, Value * vS
, "/"), **state.vImportedDrvToDerivation); , "/"), **state.vImportedDrvToDerivation);
} }
state.forceFunction(**state.vImportedDrvToDerivation, pos, "While evaluating imported-drv-to-derivation.nix.gen.hh"); state.forceFunction(**state.vImportedDrvToDerivation, pos, "While evaluating imported-drv-to-derivation.nix.gen.hh: ");
v.mkApp(*state.vImportedDrvToDerivation, w); v.mkApp(*state.vImportedDrvToDerivation, w);
state.forceAttrs(v, pos, "While calling imported-drv-to-derivation.nix.gen.hh"); state.forceAttrs(v, pos, "While calling imported-drv-to-derivation.nix.gen.hh: ");
} }
else if (path == corepkgsPrefix + "fetchurl.nix") { else if (path == corepkgsPrefix + "fetchurl.nix") {
@ -210,7 +210,7 @@ static void import(EvalState & state, const Pos & pos, Value & vPath, Value * vS
if (!vScope) if (!vScope)
state.evalFile(path, v); state.evalFile(path, v);
else { else {
state.forceAttrs(*vScope, pos, "While evaluating the first argument passed to builtins.scopedImport"); state.forceAttrs(*vScope, pos, "While evaluating the first argument passed to builtins.scopedImport: ");
Env * env = &state.allocEnv(vScope->attrs->size()); Env * env = &state.allocEnv(vScope->attrs->size());
env->up = &state.baseEnv; env->up = &state.baseEnv;
@ -314,7 +314,7 @@ void prim_importNative(EvalState & state, const Pos & pos, Value * * args, Value
{ {
auto path = realisePath(state, pos, *args[0]); auto path = realisePath(state, pos, *args[0]);
std::string sym(state.forceStringNoCtx(*args[1], pos, "While evaluating the second argument passed to builtins.importNative")); std::string sym(state.forceStringNoCtx(*args[1], pos, "While evaluating the second argument passed to builtins.importNative: "));
void *handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL); void *handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL);
if (!handle) if (!handle)
@ -340,7 +340,7 @@ void prim_importNative(EvalState & state, const Pos & pos, Value * * args, Value
/* Execute a program and parse its output */ /* Execute a program and parse its output */
void prim_exec(EvalState & state, const Pos & pos, Value * * args, Value & v) void prim_exec(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.exec"); state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.exec: ");
auto elems = args[0]->listElems(); auto elems = args[0]->listElems();
auto count = args[0]->listSize(); auto count = args[0]->listSize();
if (count == 0) { if (count == 0) {
@ -549,7 +549,7 @@ struct CompareValues
return v1->integer < v2->fpoint; return v1->integer < v2->fpoint;
if (v1->type() != v2->type()) if (v1->type() != v2->type())
throw EvalError({ throw EvalError({
.msg = hintfmt("%s: cannot compare %s with %s", errorCtx, showType(*v1), showType(*v2)), .msg = hintfmt("%scannot compare %s with %s", errorCtx, showType(*v1), showType(*v2)),
.errPos = pos, .errPos = pos,
}); });
switch (v1->type()) { switch (v1->type()) {
@ -568,13 +568,13 @@ struct CompareValues
return false; return false;
} else if (i == v1->listSize()) { } else if (i == v1->listSize()) {
return true; return true;
} else if (!state.eqValues(*v1->listElems()[i], *v2->listElems()[i])) { } else if (!state.eqValues(*v1->listElems()[i], *v2->listElems()[i], pos, errorCtx)) {
return (*this)(v1->listElems()[i], v2->listElems()[i]); return (*this)(v1->listElems()[i], v2->listElems()[i]);
} }
} }
default: default:
throw EvalError({ throw EvalError({
.msg = hintfmt("%s: cannot compare %s with %s", errorCtx, showType(*v1), showType(*v2)), .msg = hintfmt("%scannot compare %s with %s", errorCtx, showType(*v1), showType(*v2)),
.errPos = pos, .errPos = pos,
}); });
} }
@ -628,7 +628,7 @@ static Bindings::iterator getAttr(
static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the first argument passed to builtins.genericClosure"); state.forceAttrs(*args[0], pos, "While evaluating the first argument passed to builtins.genericClosure: ");
/* Get the start set. */ /* Get the start set. */
Bindings::iterator startSet = getAttr( Bindings::iterator startSet = getAttr(
@ -639,7 +639,7 @@ static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * ar
pos pos
); );
state.forceList(*startSet->value, pos, "While evaluating the `startSet` attribute passed to builtins.genericClosure"); state.forceList(*startSet->value, pos, "While evaluating the `startSet` attribute passed to builtins.genericClosure: ");
ValueList workSet; ValueList workSet;
for (auto elem : startSet->value->listItems()) for (auto elem : startSet->value->listItems())
@ -654,7 +654,7 @@ static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * ar
pos pos
); );
state.forceFunction(*op->value, pos, "While evaluating the `operator` attribute passed to builtins.genericClosure"); state.forceFunction(*op->value, pos, "While evaluating the `operator` attribute passed to builtins.genericClosure: ");
/* Construct the closure by applying the operator to element of /* Construct the closure by applying the operator to element of
`workSet', adding the result to `workSet', continuing until `workSet', adding the result to `workSet', continuing until
@ -668,7 +668,7 @@ static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * ar
Value * e = *(workSet.begin()); Value * e = *(workSet.begin());
workSet.pop_front(); workSet.pop_front();
state.forceAttrs(*e, pos, "While evaluating one item to be part of the genericClosure"); state.forceAttrs(*e, pos, "While evaluating one item to be part of the genericClosure: ");
Bindings::iterator key = Bindings::iterator key =
e->attrs->find(state.sKey); e->attrs->find(state.sKey);
@ -685,7 +685,7 @@ static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * ar
/* Call the `operator' function with `e' as argument. */ /* Call the `operator' function with `e' as argument. */
Value res; Value res;
state.callFunction(*op->value, 1, &e, res, pos); state.callFunction(*op->value, 1, &e, res, pos);
state.forceList(res, pos, "While evaluating the return value of the `operator` passed to builtins.genericClosure"); state.forceList(res, pos, "While evaluating the return value of the `operator` passed to builtins.genericClosure: ");
/* Add the values returned by the operator to the work set. */ /* Add the values returned by the operator to the work set. */
for (auto elem : res.listItems()) { for (auto elem : res.listItems()) {
@ -782,7 +782,7 @@ static RegisterPrimOp primop_ceil({
static void prim_floor(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_floor(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto value = state.forceFloat(*args[0], args[0]->determinePos(pos), "While evaluating the first argument passed to builtins.floor"); auto value = state.forceFloat(*args[0], args[0]->determinePos(pos), "While evaluating the first argument passed to builtins.floor: ");
v.mkInt(floor(value)); v.mkInt(floor(value));
} }
@ -839,7 +839,7 @@ static RegisterPrimOp primop_tryEval({
/* Return an environment variable. Use with care. */ /* Return an environment variable. Use with care. */
static void prim_getEnv(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_getEnv(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
std::string name(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.getEnv")); std::string name(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.getEnv: "));
v.mkString(evalSettings.restrictEval || evalSettings.pureEval ? "" : getEnv(name).value_or("")); v.mkString(evalSettings.restrictEval || evalSettings.pureEval ? "" : getEnv(name).value_or(""));
} }
@ -937,7 +937,7 @@ static RegisterPrimOp primop_trace({
derivation. */ derivation. */
static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.derivationStrict"); state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.derivationStrict: ");
/* Figure out the name first (for stack backtraces). */ /* Figure out the name first (for stack backtraces). */
Bindings::iterator attr = getAttr( Bindings::iterator attr = getAttr(
@ -951,7 +951,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
std::string drvName; std::string drvName;
Pos & posDrvName(*attr->pos); Pos & posDrvName(*attr->pos);
try { try {
drvName = state.forceStringNoCtx(*attr->value, pos, "While evaluating the `name` attribute passed to builtins.derivationStrict"); drvName = state.forceStringNoCtx(*attr->value, pos, "While evaluating the `name` attribute passed to builtins.derivationStrict: ");
} catch (Error & e) { } catch (Error & e) {
e.addTrace(posDrvName, "while evaluating the derivation attribute 'name'"); e.addTrace(posDrvName, "while evaluating the derivation attribute 'name'");
throw; throw;
@ -961,14 +961,14 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
std::ostringstream jsonBuf; std::ostringstream jsonBuf;
std::unique_ptr<JSONObject> jsonObject; std::unique_ptr<JSONObject> jsonObject;
attr = args[0]->attrs->find(state.sStructuredAttrs); attr = args[0]->attrs->find(state.sStructuredAttrs);
if (attr != args[0]->attrs->end() && state.forceBool(*attr->value, pos, "While evaluating the `__structuredAttrs` attribute passed to builtins.derivationStrict")) if (attr != args[0]->attrs->end() && state.forceBool(*attr->value, pos, "While evaluating the `__structuredAttrs` attribute passed to builtins.derivationStrict: "))
jsonObject = std::make_unique<JSONObject>(jsonBuf); jsonObject = std::make_unique<JSONObject>(jsonBuf);
/* Check whether null attributes should be ignored. */ /* Check whether null attributes should be ignored. */
bool ignoreNulls = false; bool ignoreNulls = false;
attr = args[0]->attrs->find(state.sIgnoreNulls); attr = args[0]->attrs->find(state.sIgnoreNulls);
if (attr != args[0]->attrs->end()) if (attr != args[0]->attrs->end())
ignoreNulls = state.forceBool(*attr->value, pos, "While evaluating the `__ignoreNulls` attribute passed to builtins.derivationStrict"); ignoreNulls = state.forceBool(*attr->value, pos, "While evaluating the `__ignoreNulls` attribute passed to builtins.derivationStrict: ");
/* Build the derivation expression by processing the attributes. */ /* Build the derivation expression by processing the attributes. */
Derivation drv; Derivation drv;
@ -1064,26 +1064,26 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
printValueAsJSON(state, true, *i->value, pos, placeholder, context); printValueAsJSON(state, true, *i->value, pos, placeholder, context);
if (i->name == state.sBuilder) if (i->name == state.sBuilder)
drv.builder = state.forceString(*i->value, context, posDrvName, "While evaluating the `builder` attribute passed to builtins.derivationStrict"); drv.builder = state.forceString(*i->value, context, posDrvName, "While evaluating the `builder` attribute passed to builtins.derivationStrict: ");
else if (i->name == state.sSystem) else if (i->name == state.sSystem)
drv.platform = state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `system` attribute passed to builtins.derivationStrict"); drv.platform = state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `system` attribute passed to builtins.derivationStrict: ");
else if (i->name == state.sOutputHash) else if (i->name == state.sOutputHash)
outputHash = state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `outputHash` attribute passed to builtins.derivationStrict"); outputHash = state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `outputHash` attribute passed to builtins.derivationStrict: ");
else if (i->name == state.sOutputHashAlgo) else if (i->name == state.sOutputHashAlgo)
outputHashAlgo = state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `outputHashAlgo` attribute passed to builtins.derivationStrict"); outputHashAlgo = state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `outputHashAlgo` attribute passed to builtins.derivationStrict: ");
else if (i->name == state.sOutputHashMode) else if (i->name == state.sOutputHashMode)
handleHashMode(state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `outputHashMode` attribute passed to builtins.derivationStrict")); handleHashMode(state.forceStringNoCtx(*i->value, posDrvName, "While evaluating the `outputHashMode` attribute passed to builtins.derivationStrict: "));
else if (i->name == state.sOutputs) { else if (i->name == state.sOutputs) {
/* Require ‘outputs’ to be a list of strings. */ /* Require ‘outputs’ to be a list of strings. */
state.forceList(*i->value, posDrvName, "While evaluating the `outputs` attribute passed to builtins.derivationStrict"); state.forceList(*i->value, posDrvName, "While evaluating the `outputs` attribute passed to builtins.derivationStrict: ");
Strings ss; Strings ss;
for (auto elem : i->value->listItems()) for (auto elem : i->value->listItems())
ss.emplace_back(state.forceStringNoCtx(*elem, posDrvName, "While evaluating an element of the `outputs` attribute passed to builtins.derivationStrict")); ss.emplace_back(state.forceStringNoCtx(*elem, posDrvName, "While evaluating an element of the `outputs` attribute passed to builtins.derivationStrict: "));
handleOutputs(ss); handleOutputs(ss);
} }
} else { } else {
auto s = state.coerceToString(*i->pos, *i->value, context, true, "While evaluating an attribute passed to builtins.derivationStrict").toOwned(); auto s = state.coerceToString(*i->pos, *i->value, context, true, "While evaluating an attribute passed to builtins.derivationStrict: ").toOwned();
drv.env.emplace(key, s); drv.env.emplace(key, s);
if (i->name == state.sBuilder) drv.builder = std::move(s); if (i->name == state.sBuilder) drv.builder = std::move(s);
else if (i->name == state.sSystem) drv.platform = std::move(s); else if (i->name == state.sSystem) drv.platform = std::move(s);
@ -1291,7 +1291,7 @@ static RegisterPrimOp primop_derivationStrict(RegisterPrimOp::Info {
‘out’. */ ‘out’. */
static void prim_placeholder(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_placeholder(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
v.mkString(hashPlaceholder(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.placeholder"))); v.mkString(hashPlaceholder(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.placeholder: ")));
} }
static RegisterPrimOp primop_placeholder({ static RegisterPrimOp primop_placeholder({
@ -1315,7 +1315,7 @@ static RegisterPrimOp primop_placeholder({
static void prim_toPath(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_toPath(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
Path path = state.coerceToPath(pos, *args[0], context, "While evaluating the first argument passed to builtins.toPath"); Path path = state.coerceToPath(pos, *args[0], context, "While evaluating the first argument passed to builtins.toPath: ");
v.mkString(canonPath(path), context); v.mkString(canonPath(path), context);
} }
@ -1346,7 +1346,7 @@ static void prim_storePath(EvalState & state, const Pos & pos, Value * * args, V
}); });
PathSet context; PathSet context;
Path path = state.checkSourcePath(state.coerceToPath(pos, *args[0], context, "While evaluating the first argument passed to builtins.storePath")); Path path = state.checkSourcePath(state.coerceToPath(pos, *args[0], context, "While evaluating the first argument passed to builtins.storePath: "));
/* Resolve symlinks in ‘path’, unless ‘path’ itself is a symlink /* Resolve symlinks in ‘path’, unless ‘path’ itself is a symlink
directly in the store. The latter condition is necessary so directly in the store. The latter condition is necessary so
e.g. nix-push does the right thing. */ e.g. nix-push does the right thing. */
@ -1416,7 +1416,7 @@ static RegisterPrimOp primop_pathExists({
static void prim_baseNameOf(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_baseNameOf(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
v.mkString(baseNameOf(*state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to builtins.baseNameOf")), context); v.mkString(baseNameOf(*state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to builtins.baseNameOf: ")), context);
} }
static RegisterPrimOp primop_baseNameOf({ static RegisterPrimOp primop_baseNameOf({
@ -1436,7 +1436,7 @@ static RegisterPrimOp primop_baseNameOf({
static void prim_dirOf(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_dirOf(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
auto path = state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to builtins.dirOf"); auto path = state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to builtins.dirOf: ");
auto dir = dirOf(*path); auto dir = dirOf(*path);
if (args[0]->type() == nPath) v.mkPath(dir); else v.mkString(dir, context); if (args[0]->type() == nPath) v.mkPath(dir); else v.mkString(dir, context);
} }
@ -1483,17 +1483,17 @@ static RegisterPrimOp primop_readFile({
which are desugared to 'findFile __nixPath "x"'. */ which are desugared to 'findFile __nixPath "x"'. */
static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.findFile"); state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.findFile: ");
SearchPath searchPath; SearchPath searchPath;
for (auto v2 : args[0]->listItems()) { for (auto v2 : args[0]->listItems()) {
state.forceAttrs(*v2, pos, "While evaluating an element of the list passed to builtins.findFile"); state.forceAttrs(*v2, pos, "While evaluating an element of the list passed to builtins.findFile: ");
std::string prefix; std::string prefix;
Bindings::iterator i = v2->attrs->find(state.sPrefix); Bindings::iterator i = v2->attrs->find(state.sPrefix);
if (i != v2->attrs->end()) if (i != v2->attrs->end())
prefix = state.forceStringNoCtx(*i->value, pos, "While evaluating the `prefix` attribute of an element of the list passed to builtins.findFile"); prefix = state.forceStringNoCtx(*i->value, pos, "While evaluating the `prefix` attribute of an element of the list passed to builtins.findFile: ");
i = getAttr( i = getAttr(
state, state,
@ -1521,7 +1521,7 @@ static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Va
searchPath.emplace_back(prefix, path); searchPath.emplace_back(prefix, path);
} }
auto path = state.forceStringNoCtx(*args[1], pos, "While evaluating the second argument passed to builtins.findFile"); auto path = state.forceStringNoCtx(*args[1], pos, "While evaluating the second argument passed to builtins.findFile: ");
v.mkPath(state.checkSourcePath(state.findFile(searchPath, path, pos))); v.mkPath(state.checkSourcePath(state.findFile(searchPath, path, pos)));
} }
@ -1535,7 +1535,7 @@ static RegisterPrimOp primop_findFile(RegisterPrimOp::Info {
/* Return the cryptographic hash of a file in base-16. */ /* Return the cryptographic hash of a file in base-16. */
static void prim_hashFile(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_hashFile(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto type = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.hashFile"); auto type = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.hashFile: ");
std::optional<HashType> ht = parseHashType(type); std::optional<HashType> ht = parseHashType(type);
if (!ht) if (!ht)
throw Error({ throw Error({
@ -1742,7 +1742,7 @@ static RegisterPrimOp primop_toJSON({
/* Parse a JSON string to a value. */ /* Parse a JSON string to a value. */
static void prim_fromJSON(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_fromJSON(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto s = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.fromJSON"); auto s = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.fromJSON: ");
try { try {
parseJSON(state, s, v); parseJSON(state, s, v);
} catch (JSONParseError &e) { } catch (JSONParseError &e) {
@ -1771,8 +1771,8 @@ static RegisterPrimOp primop_fromJSON({
static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
std::string name(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.toFile")); std::string name(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.toFile: "));
std::string contents(state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.toFile")); std::string contents(state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.toFile: "));
StorePathSet refs; StorePathSet refs;
@ -1929,7 +1929,7 @@ static void addPath(
Value res; Value res;
state.callFunction(*filterFun, 2, args, res, pos); state.callFunction(*filterFun, 2, args, res, pos);
return state.forceBool(res, pos, "While evaluating the return value of the path filter function"); return state.forceBool(res, pos, "While evaluating the return value of the path filter function: ");
}) : defaultPathFilter; }) : defaultPathFilter;
std::optional<StorePath> expectedStorePath; std::optional<StorePath> expectedStorePath;
@ -1955,9 +1955,9 @@ static void addPath(
static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
Path path = state.coerceToPath(pos, *args[1], context, "While evaluating the second argument (the path to filter) passed to builtins.filterSource"); Path path = state.coerceToPath(pos, *args[1], context, "While evaluating the second argument (the path to filter) passed to builtins.filterSource: ");
state.forceFunction(*args[0], pos, "While evaluating the first argument to builtins.filterSource"); state.forceFunction(*args[0], pos, "While evaluating the first argument to builtins.filterSource: ");
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v, context); addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v, context);
} }
@ -2018,7 +2018,7 @@ static RegisterPrimOp primop_filterSource({
static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.path"); state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.path: ");
Path path; Path path;
std::string name; std::string name;
Value * filterFun = nullptr; Value * filterFun = nullptr;
@ -2029,15 +2029,15 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
for (auto & attr : *args[0]->attrs) { for (auto & attr : *args[0]->attrs) {
auto & n(attr.name); auto & n(attr.name);
if (n == "path") if (n == "path")
path = state.coerceToPath(*attr.pos, *attr.value, context, "While evaluating the `path` attribute passed to builtins.path"); path = state.coerceToPath(*attr.pos, *attr.value, context, "While evaluating the `path` attribute passed to builtins.path: ");
else if (attr.name == state.sName) else if (attr.name == state.sName)
name = state.forceStringNoCtx(*attr.value, *attr.pos, "while evaluating the `name` attribute passed to builtins.path"); name = state.forceStringNoCtx(*attr.value, *attr.pos, "while evaluating the `name` attribute passed to builtins.path: ");
else if (n == "filter") else if (n == "filter")
state.forceFunction(*(filterFun = attr.value), *attr.pos, "While evaluating the `filter` parameter passed to builtins.path"); state.forceFunction(*(filterFun = attr.value), *attr.pos, "While evaluating the `filter` parameter passed to builtins.path: ");
else if (n == "recursive") else if (n == "recursive")
method = FileIngestionMethod { state.forceBool(*attr.value, *attr.pos, "While evaluating the `recursive` attribute passed to builtins.path") }; method = FileIngestionMethod { state.forceBool(*attr.value, *attr.pos, "While evaluating the `recursive` attribute passed to builtins.path: ") };
else if (n == "sha256") else if (n == "sha256")
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the `sha256` attribute passed to builtins.path"), htSHA256); expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the `sha256` attribute passed to builtins.path: "), htSHA256);
else else
throw EvalError({ throw EvalError({
.msg = hintfmt("unsupported argument '%1%' to 'addPath'", attr.name), .msg = hintfmt("unsupported argument '%1%' to 'addPath'", attr.name),
@ -2100,7 +2100,7 @@ static RegisterPrimOp primop_path({
strings. */ strings. */
static void prim_attrNames(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_attrNames(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.attrNames"); state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.attrNames: ");
state.mkList(v, args[0]->attrs->size()); state.mkList(v, args[0]->attrs->size());
@ -2127,7 +2127,7 @@ static RegisterPrimOp primop_attrNames({
order as attrNames. */ order as attrNames. */
static void prim_attrValues(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_attrValues(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.attrValues"); state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.attrValues: ");
state.mkList(v, args[0]->attrs->size()); state.mkList(v, args[0]->attrs->size());
@ -2158,8 +2158,8 @@ static RegisterPrimOp primop_attrValues({
/* Dynamic version of the `.' operator. */ /* Dynamic version of the `.' operator. */
void prim_getAttr(EvalState & state, const Pos & pos, Value * * args, Value & v) void prim_getAttr(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto attr = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.getAttr"); auto attr = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.getAttr: ");
state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.getAttr"); state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.getAttr: ");
Bindings::iterator i = getAttr( Bindings::iterator i = getAttr(
state, state,
"getAttr", "getAttr",
@ -2188,8 +2188,8 @@ static RegisterPrimOp primop_getAttr({
/* Return position information of the specified attribute. */ /* Return position information of the specified attribute. */
static void prim_unsafeGetAttrPos(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_unsafeGetAttrPos(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto attr = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.unsafeGetAttrPos"); auto attr = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.unsafeGetAttrPos: ");
state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.unsafeGetAttrPos"); state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.unsafeGetAttrPos: ");
Bindings::iterator i = args[1]->attrs->find(state.symbols.create(attr)); Bindings::iterator i = args[1]->attrs->find(state.symbols.create(attr));
if (i == args[1]->attrs->end()) if (i == args[1]->attrs->end())
v.mkNull(); v.mkNull();
@ -2206,8 +2206,8 @@ static RegisterPrimOp primop_unsafeGetAttrPos(RegisterPrimOp::Info {
/* Dynamic version of the `?' operator. */ /* Dynamic version of the `?' operator. */
static void prim_hasAttr(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_hasAttr(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto attr = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.hasAttr"); auto attr = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.hasAttr: ");
state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.hasAttr"); state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.hasAttr: ");
v.mkBool(args[1]->attrs->find(state.symbols.create(attr)) != args[1]->attrs->end()); v.mkBool(args[1]->attrs->find(state.symbols.create(attr)) != args[1]->attrs->end());
} }
@ -2240,8 +2240,8 @@ static RegisterPrimOp primop_isAttrs({
static void prim_removeAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_removeAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the first argument passed to builtins.removeAttrs"); state.forceAttrs(*args[0], pos, "While evaluating the first argument passed to builtins.removeAttrs: ");
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.removeAttrs"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.removeAttrs: ");
/* Get the attribute names to be removed. /* Get the attribute names to be removed.
We keep them as Attrs instead of Symbols so std::set_difference We keep them as Attrs instead of Symbols so std::set_difference
@ -2249,7 +2249,7 @@ static void prim_removeAttrs(EvalState & state, const Pos & pos, Value * * args,
boost::container::small_vector<Attr, 64> names; boost::container::small_vector<Attr, 64> names;
names.reserve(args[1]->listSize()); names.reserve(args[1]->listSize());
for (auto elem : args[1]->listItems()) { for (auto elem : args[1]->listItems()) {
state.forceStringNoCtx(*elem, pos, "While evaluating the values of the second argument passed to builtins.removeAttrs"); state.forceStringNoCtx(*elem, pos, "While evaluating the values of the second argument passed to builtins.removeAttrs: ");
names.emplace_back(state.symbols.create(elem->string.s), nullptr); names.emplace_back(state.symbols.create(elem->string.s), nullptr);
} }
std::sort(names.begin(), names.end()); std::sort(names.begin(), names.end());
@ -2288,14 +2288,14 @@ static RegisterPrimOp primop_removeAttrs({
name, the first takes precedence. */ name, the first takes precedence. */
static void prim_listToAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_listToAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the argument passed to builtins.listToAttrs"); state.forceList(*args[0], pos, "While evaluating the argument passed to builtins.listToAttrs: ");
auto attrs = state.buildBindings(args[0]->listSize()); auto attrs = state.buildBindings(args[0]->listSize());
std::set<Symbol> seen; std::set<Symbol> seen;
for (auto v2 : args[0]->listItems()) { for (auto v2 : args[0]->listItems()) {
state.forceAttrs(*v2, pos, "While evaluating an element of the list passed to builtins.listToAttrs"); state.forceAttrs(*v2, pos, "While evaluating an element of the list passed to builtins.listToAttrs: ");
Bindings::iterator j = getAttr( Bindings::iterator j = getAttr(
state, state,
@ -2305,7 +2305,7 @@ static void prim_listToAttrs(EvalState & state, const Pos & pos, Value * * args,
pos pos
); );
auto name = state.forceStringNoCtx(*j->value, *j->pos, "While evaluating the `name` attribute of an element of the list passed to builtins.listToAttrs"); auto name = state.forceStringNoCtx(*j->value, *j->pos, "While evaluating the `name` attribute of an element of the list passed to builtins.listToAttrs: ");
Symbol sym = state.symbols.create(name); Symbol sym = state.symbols.create(name);
if (seen.insert(sym).second) { if (seen.insert(sym).second) {
@ -2350,8 +2350,8 @@ static RegisterPrimOp primop_listToAttrs({
static void prim_intersectAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_intersectAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[0], pos, "While evaluating the first argument passed to builtins.intersectAttrs"); state.forceAttrs(*args[0], pos, "While evaluating the first argument passed to builtins.intersectAttrs: ");
state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.intersectAttrs"); state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.intersectAttrs: ");
auto attrs = state.buildBindings(std::min(args[0]->attrs->size(), args[1]->attrs->size())); auto attrs = state.buildBindings(std::min(args[0]->attrs->size(), args[1]->attrs->size()));
@ -2376,14 +2376,14 @@ static RegisterPrimOp primop_intersectAttrs({
static void prim_catAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_catAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
Symbol attrName = state.symbols.create(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.catAttrs")); Symbol attrName = state.symbols.create(state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.catAttrs: "));
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.catAttrs"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.catAttrs: ");
Value * res[args[1]->listSize()]; Value * res[args[1]->listSize()];
unsigned int found = 0; unsigned int found = 0;
for (auto v2 : args[1]->listItems()) { for (auto v2 : args[1]->listItems()) {
state.forceAttrs(*v2, pos, "While evaluating an element in the list passed as second argument to builtins.catAttrs"); state.forceAttrs(*v2, pos, "While evaluating an element in the list passed as second argument to builtins.catAttrs: ");
Bindings::iterator i = v2->attrs->find(attrName); Bindings::iterator i = v2->attrs->find(attrName);
if (i != v2->attrs->end()) if (i != v2->attrs->end())
res[found++] = i->value; res[found++] = i->value;
@ -2456,7 +2456,7 @@ static RegisterPrimOp primop_functionArgs({
/* */ /* */
static void prim_mapAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_mapAttrs(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.mapAttrs"); state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.mapAttrs: ");
auto attrs = state.buildBindings(args[1]->attrs->size()); auto attrs = state.buildBindings(args[1]->attrs->size());
@ -2497,15 +2497,15 @@ static void prim_zipAttrsWith(EvalState & state, const Pos & pos, Value * * args
std::map<Symbol, std::pair<size_t, Value * *>> attrsSeen; std::map<Symbol, std::pair<size_t, Value * *>> attrsSeen;
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.zipAttrsWith"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.zipAttrsWith: ");
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.zipAttrsWith"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.zipAttrsWith: ");
const auto listSize = args[1]->listSize(); const auto listSize = args[1]->listSize();
const auto listElems = args[1]->listElems(); const auto listElems = args[1]->listElems();
for (unsigned int n = 0; n < listSize; ++n) { for (unsigned int n = 0; n < listSize; ++n) {
Value * vElem = listElems[n]; Value * vElem = listElems[n];
try { try {
state.forceAttrs(*vElem, noPos, "While evaluating a value of the list passed as second argument to builtins.zipAttrsWith"); state.forceAttrs(*vElem, noPos, "While evaluating a value of the list passed as second argument to builtins.zipAttrsWith: ");
for (auto & attr : *vElem->attrs) for (auto & attr : *vElem->attrs)
attrsSeen[attr.name].first++; attrsSeen[attr.name].first++;
} catch (TypeError & e) { } catch (TypeError & e) {
@ -2595,7 +2595,7 @@ static RegisterPrimOp primop_isList({
static void elemAt(EvalState & state, const Pos & pos, Value & list, int n, Value & v) static void elemAt(EvalState & state, const Pos & pos, Value & list, int n, Value & v)
{ {
state.forceList(list, pos, "While evaluating the first argument passed to builtins.elemAt"); state.forceList(list, pos, "While evaluating the first argument passed to builtins.elemAt: ");
if (n < 0 || (unsigned int) n >= list.listSize()) if (n < 0 || (unsigned int) n >= list.listSize())
throw Error({ throw Error({
.msg = hintfmt("list index %1% is out of bounds", n), .msg = hintfmt("list index %1% is out of bounds", n),
@ -2608,7 +2608,7 @@ static void elemAt(EvalState & state, const Pos & pos, Value & list, int n, Valu
/* Return the n-1'th element of a list. */ /* Return the n-1'th element of a list. */
static void prim_elemAt(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_elemAt(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
elemAt(state, pos, *args[0], state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.elemAt"), v); elemAt(state, pos, *args[0], state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.elemAt: "), v);
} }
static RegisterPrimOp primop_elemAt({ static RegisterPrimOp primop_elemAt({
@ -2643,7 +2643,7 @@ static RegisterPrimOp primop_head({
don't want to use it! */ don't want to use it! */
static void prim_tail(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_tail(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.tail"); state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.tail: ");
if (args[0]->listSize() == 0) if (args[0]->listSize() == 0)
throw Error({ throw Error({
.msg = hintfmt("'tail' called on an empty list"), .msg = hintfmt("'tail' called on an empty list"),
@ -2674,12 +2674,12 @@ static RegisterPrimOp primop_tail({
/* Apply a function to every element of a list. */ /* Apply a function to every element of a list. */
static void prim_map(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_map(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.map"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.map: ");
state.mkList(v, args[1]->listSize()); state.mkList(v, args[1]->listSize());
if (args[1]->listSize() > 0) { if (args[1]->listSize() > 0) {
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.map"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.map: ");
for (unsigned int n = 0; n < v.listSize(); ++n) for (unsigned int n = 0; n < v.listSize(); ++n)
(v.listElems()[n] = state.allocValue())->mkApp( (v.listElems()[n] = state.allocValue())->mkApp(
@ -2708,14 +2708,14 @@ static RegisterPrimOp primop_map({
returns true. */ returns true. */
static void prim_filter(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_filter(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.filter"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.filter: ");
if (args[1]->listSize() == 0) { if (args[1]->listSize() == 0) {
v = *args[1]; v = *args[1];
return; return;
} }
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.filter"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.filter: ");
// FIXME: putting this on the stack is risky. // FIXME: putting this on the stack is risky.
Value * vs[args[1]->listSize()]; Value * vs[args[1]->listSize()];
@ -2725,7 +2725,7 @@ static void prim_filter(EvalState & state, const Pos & pos, Value * * args, Valu
for (unsigned int n = 0; n < args[1]->listSize(); ++n) { for (unsigned int n = 0; n < args[1]->listSize(); ++n) {
Value res; Value res;
state.callFunction(*args[0], *args[1]->listElems()[n], res, noPos); state.callFunction(*args[0], *args[1]->listElems()[n], res, noPos);
if (state.forceBool(res, pos, "While evaluating the return value of the filtering function passed to builtins.filter")) if (state.forceBool(res, pos, "While evaluating the return value of the filtering function passed to builtins.filter: "))
vs[k++] = args[1]->listElems()[n]; vs[k++] = args[1]->listElems()[n];
else else
same = false; same = false;
@ -2753,9 +2753,9 @@ static RegisterPrimOp primop_filter({
static void prim_elem(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_elem(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
bool res = false; bool res = false;
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.elem"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.elem: ");
for (auto elem : args[1]->listItems()) for (auto elem : args[1]->listItems())
if (state.eqValues(*args[0], *elem)) { if (state.eqValues(*args[0], *elem, pos, "While searching for the presence of the given element in the list: ")) {
res = true; res = true;
break; break;
} }
@ -2775,7 +2775,7 @@ static RegisterPrimOp primop_elem({
/* Concatenate a list of lists. */ /* Concatenate a list of lists. */
static void prim_concatLists(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_concatLists(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.concatLists"); state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.concatLists: ");
state.concatLists(v, args[0]->listSize(), args[0]->listElems(), pos, "While evaluating a value of the list passed to builtins.concatLists"); state.concatLists(v, args[0]->listSize(), args[0]->listElems(), pos, "While evaluating a value of the list passed to builtins.concatLists");
} }
@ -2791,7 +2791,7 @@ static RegisterPrimOp primop_concatLists({
/* Return the length of a list. This is an O(1) time operation. */ /* Return the length of a list. This is an O(1) time operation. */
static void prim_length(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_length(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.length"); state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.length: ");
v.mkInt(args[0]->listSize()); v.mkInt(args[0]->listSize());
} }
@ -2808,8 +2808,8 @@ static RegisterPrimOp primop_length({
right. The operator is applied strictly. */ right. The operator is applied strictly. */
static void prim_foldlStrict(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_foldlStrict(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.foldlStrict"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.foldlStrict: ");
state.forceList(*args[2], pos, "While evaluating the third argument passed to builtins.foldlStrict"); state.forceList(*args[2], pos, "While evaluating the third argument passed to builtins.foldlStrict: ");
if (args[2]->listSize()) { if (args[2]->listSize()) {
Value * vCur = args[1]; Value * vCur = args[1];
@ -2841,13 +2841,13 @@ static RegisterPrimOp primop_foldlStrict({
static void anyOrAll(bool any, EvalState & state, const Pos & pos, Value * * args, Value & v) static void anyOrAll(bool any, EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceFunction(*args[0], pos, std::string("While evaluating the first argument passed to builtins.") + (any ? "any" : "all")); state.forceFunction(*args[0], pos, std::string("While evaluating the first argument passed to builtins.: ") + (any ? "any" : "all: "));
state.forceList(*args[1], pos, std::string("While evaluating the second argument passed to builtins.") + (any ? "any" : "all")); state.forceList(*args[1], pos, std::string("While evaluating the second argument passed to builtins.: ") + (any ? "any" : "all"));
Value vTmp; Value vTmp;
for (auto elem : args[1]->listItems()) { for (auto elem : args[1]->listItems()) {
state.callFunction(*args[0], *elem, vTmp, pos); state.callFunction(*args[0], *elem, vTmp, pos);
bool res = state.forceBool(vTmp, pos, std::string("While evaluating the return value of the function passed to builtins.") + (any ? "any" : "all")); bool res = state.forceBool(vTmp, pos, std::string("While evaluating the return value of the function passed to builtins.: ") + (any ? "any" : "all"));
if (res == any) { if (res == any) {
v.mkBool(any); v.mkBool(any);
return; return;
@ -2890,7 +2890,7 @@ static RegisterPrimOp primop_all({
static void prim_genList(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_genList(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto len = state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.genList"); auto len = state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.genList: ");
if (len < 0) if (len < 0)
throw EvalError({ throw EvalError({
@ -2928,7 +2928,7 @@ static void prim_lessThan(EvalState & state, const Pos & pos, Value * * args, Va
static void prim_sort(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_sort(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.sort"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.sort: ");
auto len = args[1]->listSize(); auto len = args[1]->listSize();
if (len == 0) { if (len == 0) {
@ -2936,7 +2936,7 @@ static void prim_sort(EvalState & state, const Pos & pos, Value * * args, Value
return; return;
} }
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.sort"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.sort: ");
state.mkList(v, len); state.mkList(v, len);
for (unsigned int n = 0; n < len; ++n) { for (unsigned int n = 0; n < len; ++n) {
@ -2948,12 +2948,12 @@ static void prim_sort(EvalState & state, const Pos & pos, Value * * args, Value
/* Optimization: if the comparator is lessThan, bypass /* Optimization: if the comparator is lessThan, bypass
callFunction. */ callFunction. */
if (args[0]->isPrimOp() && args[0]->primOp->fun == prim_lessThan) if (args[0]->isPrimOp() && args[0]->primOp->fun == prim_lessThan)
return CompareValues(state, pos, "While evaluating the ordering function passed to builtins.sort")(a, b); return CompareValues(state, pos, "While evaluating the ordering function passed to builtins.sort: ")(a, b);
Value * vs[] = {a, b}; Value * vs[] = {a, b};
Value vBool; Value vBool;
state.callFunction(*args[0], 2, vs, vBool, pos); state.callFunction(*args[0], 2, vs, vBool, pos);
return state.forceBool(vBool, pos, "While evaluating the return value of the sorting function passed to builtins.sort"); return state.forceBool(vBool, pos, "While evaluating the return value of the sorting function passed to builtins.sort: ");
}; };
/* FIXME: std::sort can segfault if the comparator is not a strict /* FIXME: std::sort can segfault if the comparator is not a strict
@ -2985,8 +2985,8 @@ static RegisterPrimOp primop_sort({
static void prim_partition(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_partition(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.partition"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.partition: ");
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.partition"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.partition: ");
auto len = args[1]->listSize(); auto len = args[1]->listSize();
@ -2997,7 +2997,7 @@ static void prim_partition(EvalState & state, const Pos & pos, Value * * args, V
state.forceValue(*vElem, pos); state.forceValue(*vElem, pos);
Value res; Value res;
state.callFunction(*args[0], *vElem, res, pos); state.callFunction(*args[0], *vElem, res, pos);
if (state.forceBool(res, pos, "While evaluating the return value of the partition function passed to builtins.partition")) if (state.forceBool(res, pos, "While evaluating the return value of the partition function passed to builtins.partition: "))
right.push_back(vElem); right.push_back(vElem);
else else
wrong.push_back(vElem); wrong.push_back(vElem);
@ -3045,15 +3045,15 @@ static RegisterPrimOp primop_partition({
static void prim_groupBy(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_groupBy(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.groupBy"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.groupBy: ");
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.groupBy"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.groupBy: ");
ValueVectorMap attrs; ValueVectorMap attrs;
for (auto vElem : args[1]->listItems()) { for (auto vElem : args[1]->listItems()) {
Value res; Value res;
state.callFunction(*args[0], *vElem, res, pos); state.callFunction(*args[0], *vElem, res, pos);
auto name = state.forceStringNoCtx(res, pos, "While evaluating the return value of the grouping function passed to builtins.groupBy"); auto name = state.forceStringNoCtx(res, pos, "While evaluating the return value of the grouping function passed to builtins.groupBy: ");
Symbol sym = state.symbols.create(name); Symbol sym = state.symbols.create(name);
auto vector = attrs.try_emplace(sym, ValueVector()).first; auto vector = attrs.try_emplace(sym, ValueVector()).first;
vector->second.push_back(vElem); vector->second.push_back(vElem);
@ -3097,8 +3097,8 @@ static RegisterPrimOp primop_groupBy({
static void prim_concatMap(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_concatMap(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.concatMap"); state.forceFunction(*args[0], pos, "While evaluating the first argument passed to builtins.concatMap: ");
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.concatMap"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.concatMap: ");
auto nrLists = args[1]->listSize(); auto nrLists = args[1]->listSize();
Value lists[nrLists]; Value lists[nrLists];
@ -3108,7 +3108,7 @@ static void prim_concatMap(EvalState & state, const Pos & pos, Value * * args, V
Value * vElem = args[1]->listElems()[n]; Value * vElem = args[1]->listElems()[n];
state.callFunction(*args[0], *vElem, lists[n], pos); state.callFunction(*args[0], *vElem, lists[n], pos);
try { try {
state.forceList(lists[n], lists[n].determinePos(args[0]->determinePos(pos)), "While evaluating the return value of the function passed to buitlins.concatMap"); state.forceList(lists[n], lists[n].determinePos(args[0]->determinePos(pos)), "While evaluating the return value of the function passed to buitlins.concatMap: ");
} catch (TypeError &e) { } catch (TypeError &e) {
e.addTrace(pos, hintfmt("while invoking '%s'", "concatMap")); e.addTrace(pos, hintfmt("while invoking '%s'", "concatMap"));
throw; throw;
@ -3147,11 +3147,11 @@ static void prim_add(EvalState & state, const Pos & pos, Value * * args, Value &
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
state.forceValue(*args[1], pos); state.forceValue(*args[1], pos);
if (args[0]->type() == nFloat || args[1]->type() == nFloat) if (args[0]->type() == nFloat || args[1]->type() == nFloat)
v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first argument of the addition") v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first argument of the addition: ")
+ state.forceFloat(*args[1], pos, "While evaluating the second argument of the addition")); + state.forceFloat(*args[1], pos, "While evaluating the second argument of the addition: "));
else else
v.mkInt( state.forceInt(*args[0], pos, "While evaluating the first argument of the addition") v.mkInt( state.forceInt(*args[0], pos, "While evaluating the first argument of the addition: ")
+ state.forceInt(*args[1], pos, "While evaluating the second argument of the addition")); + state.forceInt(*args[1], pos, "While evaluating the second argument of the addition: "));
} }
static RegisterPrimOp primop_add({ static RegisterPrimOp primop_add({
@ -3168,11 +3168,11 @@ static void prim_sub(EvalState & state, const Pos & pos, Value * * args, Value &
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
state.forceValue(*args[1], pos); state.forceValue(*args[1], pos);
if (args[0]->type() == nFloat || args[1]->type() == nFloat) if (args[0]->type() == nFloat || args[1]->type() == nFloat)
v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first argument of the subtraction") v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first argument of the subtraction: ")
- state.forceFloat(*args[1], pos, "While evaluating the second argument of the subtraction")); - state.forceFloat(*args[1], pos, "While evaluating the second argument of the subtraction: "));
else else
v.mkInt( state.forceInt(*args[0], pos, "While evaluating the first argument of the subtraction") v.mkInt( state.forceInt(*args[0], pos, "While evaluating the first argument of the subtraction: ")
- state.forceInt(*args[1], pos, "While evaluating the second argument of the subtraction")); - state.forceInt(*args[1], pos, "While evaluating the second argument of the subtraction: "));
} }
static RegisterPrimOp primop_sub({ static RegisterPrimOp primop_sub({
@ -3189,11 +3189,11 @@ static void prim_mul(EvalState & state, const Pos & pos, Value * * args, Value &
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
state.forceValue(*args[1], pos); state.forceValue(*args[1], pos);
if (args[0]->type() == nFloat || args[1]->type() == nFloat) if (args[0]->type() == nFloat || args[1]->type() == nFloat)
v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first of the multiplication") v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first of the multiplication: ")
* state.forceFloat(*args[1], pos, "While evaluating the second argument of the multiplication")); * state.forceFloat(*args[1], pos, "While evaluating the second argument of the multiplication: "));
else else
v.mkInt( state.forceInt(*args[0], pos, "While evaluating the first argument of the multiplication") v.mkInt( state.forceInt(*args[0], pos, "While evaluating the first argument of the multiplication: ")
* state.forceInt(*args[1], pos, "While evaluating the second argument of the multiplication")); * state.forceInt(*args[1], pos, "While evaluating the second argument of the multiplication: "));
} }
static RegisterPrimOp primop_mul({ static RegisterPrimOp primop_mul({
@ -3210,7 +3210,7 @@ static void prim_div(EvalState & state, const Pos & pos, Value * * args, Value &
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
state.forceValue(*args[1], pos); state.forceValue(*args[1], pos);
NixFloat f2 = state.forceFloat(*args[1], pos, "While evaluating the second operand of the division"); NixFloat f2 = state.forceFloat(*args[1], pos, "While evaluating the second operand of the division: ");
if (f2 == 0) if (f2 == 0)
throw EvalError({ throw EvalError({
.msg = hintfmt("division by zero"), .msg = hintfmt("division by zero"),
@ -3218,10 +3218,10 @@ static void prim_div(EvalState & state, const Pos & pos, Value * * args, Value &
}); });
if (args[0]->type() == nFloat || args[1]->type() == nFloat) { if (args[0]->type() == nFloat || args[1]->type() == nFloat) {
v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first operand of the division") / f2); v.mkFloat(state.forceFloat(*args[0], pos, "While evaluating the first operand of the division: ") / f2);
} else { } else {
NixInt i1 = state.forceInt(*args[0], pos, "While evaluating the first operand of the division"); NixInt i1 = state.forceInt(*args[0], pos, "While evaluating the first operand of the division: ");
NixInt i2 = state.forceInt(*args[1], pos, "While evaluating the second operand of the division"); NixInt i2 = state.forceInt(*args[1], pos, "While evaluating the second operand of the division: ");
/* Avoid division overflow as it might raise SIGFPE. */ /* Avoid division overflow as it might raise SIGFPE. */
if (i1 == std::numeric_limits<NixInt>::min() && i2 == -1) if (i1 == std::numeric_limits<NixInt>::min() && i2 == -1)
throw EvalError({ throw EvalError({
@ -3244,8 +3244,8 @@ static RegisterPrimOp primop_div({
static void prim_bitAnd(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_bitAnd(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
v.mkInt(state.forceInt(*args[0], pos, "While evaluating the first argument passed to builtins.bitAnd") v.mkInt(state.forceInt(*args[0], pos, "While evaluating the first argument passed to builtins.bitAnd: ")
& state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.bitAnd")); & state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.bitAnd: "));
} }
static RegisterPrimOp primop_bitAnd({ static RegisterPrimOp primop_bitAnd({
@ -3259,8 +3259,8 @@ static RegisterPrimOp primop_bitAnd({
static void prim_bitOr(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_bitOr(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
v.mkInt(state.forceInt(*args[0], pos, "While evaluating the first argument passed to builtins.bitOr") v.mkInt(state.forceInt(*args[0], pos, "While evaluating the first argument passed to builtins.bitOr: ")
| state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.bitOr")); | state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.bitOr: "));
} }
static RegisterPrimOp primop_bitOr({ static RegisterPrimOp primop_bitOr({
@ -3274,8 +3274,8 @@ static RegisterPrimOp primop_bitOr({
static void prim_bitXor(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_bitXor(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
v.mkInt(state.forceInt(*args[0], pos, "While evaluating the first argument passed to builtins.bitXor") v.mkInt(state.forceInt(*args[0], pos, "While evaluating the first argument passed to builtins.bitXor: ")
^ state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.bitXor")); ^ state.forceInt(*args[1], pos, "While evaluating the second argument passed to builtins.bitXor: "));
} }
static RegisterPrimOp primop_bitXor({ static RegisterPrimOp primop_bitXor({
@ -3319,7 +3319,7 @@ static RegisterPrimOp primop_lessThan({
static void prim_toString(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_toString(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[0], context, true, false, "While evaluating the first argument passed to builtins.toString"); auto s = state.coerceToString(pos, *args[0], context, true, false, "While evaluating the first argument passed to builtins.toString: ");
v.mkString(*s, context); v.mkString(*s, context);
} }
@ -3353,10 +3353,10 @@ static RegisterPrimOp primop_toString({
non-negative. */ non-negative. */
static void prim_substring(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_substring(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
int start = state.forceInt(*args[0], pos, "While evaluating the first argument (the start offset) passed to builtins.substring"); int start = state.forceInt(*args[0], pos, "While evaluating the first argument (the start offset) passed to builtins.substring: ");
int len = state.forceInt(*args[1], pos, "While evaluating the second argument (the substring length) passed to builtins.substring"); int len = state.forceInt(*args[1], pos, "While evaluating the second argument (the substring length) passed to builtins.substring: ");
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[2], context, "While evaluating the third argument (the string) passed to builtins.substring"); auto s = state.coerceToString(pos, *args[2], context, "While evaluating the third argument (the string) passed to builtins.substring: ");
if (start < 0) if (start < 0)
throw EvalError({ throw EvalError({
@ -3390,7 +3390,7 @@ static RegisterPrimOp primop_substring({
static void prim_stringLength(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_stringLength(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[0], context, "While evaluating the argument passed to builtins.stringLength"); auto s = state.coerceToString(pos, *args[0], context, "While evaluating the argument passed to builtins.stringLength: ");
v.mkInt(s->size()); v.mkInt(s->size());
} }
@ -3407,7 +3407,7 @@ static RegisterPrimOp primop_stringLength({
/* Return the cryptographic hash of a string in base-16. */ /* Return the cryptographic hash of a string in base-16. */
static void prim_hashString(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_hashString(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto type = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.hashString"); auto type = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.hashString: ");
std::optional<HashType> ht = parseHashType(type); std::optional<HashType> ht = parseHashType(type);
if (!ht) if (!ht)
throw Error({ throw Error({
@ -3416,7 +3416,7 @@ static void prim_hashString(EvalState & state, const Pos & pos, Value * * args,
}); });
PathSet context; // discarded PathSet context; // discarded
auto s = state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.hashString"); auto s = state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.hashString: ");
v.mkString(hashString(*ht, s).to_string(Base16, false)); v.mkString(hashString(*ht, s).to_string(Base16, false));
} }
@ -3455,14 +3455,14 @@ std::shared_ptr<RegexCache> makeRegexCache()
void prim_match(EvalState & state, const Pos & pos, Value * * args, Value & v) void prim_match(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto re = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.match"); auto re = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.match: ");
try { try {
auto regex = state.regexCache->get(re); auto regex = state.regexCache->get(re);
PathSet context; PathSet context;
const auto str = state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.match"); const auto str = state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.match: ");
std::cmatch match; std::cmatch match;
if (!std::regex_match(str.begin(), str.end(), match, regex)) { if (!std::regex_match(str.begin(), str.end(), match, regex)) {
@ -3536,14 +3536,14 @@ static RegisterPrimOp primop_match({
non-matching parts interleaved by the lists of the matching groups. */ non-matching parts interleaved by the lists of the matching groups. */
void prim_split(EvalState & state, const Pos & pos, Value * * args, Value & v) void prim_split(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto re = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.split"); auto re = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.split: ");
try { try {
auto regex = state.regexCache->get(re); auto regex = state.regexCache->get(re);
PathSet context; PathSet context;
const auto str = state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.split"); const auto str = state.forceString(*args[1], context, pos, "While evaluating the second argument passed to builtins.split: ");
auto begin = std::cregex_iterator(str.begin(), str.end(), regex); auto begin = std::cregex_iterator(str.begin(), str.end(), regex);
auto end = std::cregex_iterator(); auto end = std::cregex_iterator();
@ -3642,8 +3642,8 @@ static void prim_concatStringsSep(EvalState & state, const Pos & pos, Value * *
{ {
PathSet context; PathSet context;
auto sep = state.forceString(*args[0], context, pos, "While evaluating the first argument (the separator string) passed to builtins.concatStringsSep"); auto sep = state.forceString(*args[0], context, pos, "While evaluating the first argument (the separator string) passed to builtins.concatStringsSep: ");
state.forceList(*args[1], pos, "While evaluating the second argument (the list of strings to concat) passed to builtins.concatStringsSep"); state.forceList(*args[1], pos, "While evaluating the second argument (the list of strings to concat) passed to builtins.concatStringsSep: ");
std::string res; std::string res;
res.reserve((args[1]->listSize() + 32) * sep.size()); res.reserve((args[1]->listSize() + 32) * sep.size());
@ -3651,7 +3651,7 @@ static void prim_concatStringsSep(EvalState & state, const Pos & pos, Value * *
for (auto elem : args[1]->listItems()) { for (auto elem : args[1]->listItems()) {
if (first) first = false; else res += sep; if (first) first = false; else res += sep;
res += *state.coerceToString(pos, *elem, context, "While evaluating one element of the list of strings to concat passed to builtins.concatStringsSep"); res += *state.coerceToString(pos, *elem, context, "While evaluating one element of the list of strings to concat passed to builtins.concatStringsSep: ");
} }
v.mkString(res, context); v.mkString(res, context);
@ -3670,8 +3670,8 @@ static RegisterPrimOp primop_concatStringsSep({
static void prim_replaceStrings(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_replaceStrings(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.replaceStrings"); state.forceList(*args[0], pos, "While evaluating the first argument passed to builtins.replaceStrings: ");
state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.replaceStrings"); state.forceList(*args[1], pos, "While evaluating the second argument passed to builtins.replaceStrings: ");
if (args[0]->listSize() != args[1]->listSize()) if (args[0]->listSize() != args[1]->listSize())
throw EvalError({ throw EvalError({
.msg = hintfmt("'from' and 'to' arguments to 'replaceStrings' have different lengths"), .msg = hintfmt("'from' and 'to' arguments to 'replaceStrings' have different lengths"),
@ -3681,18 +3681,18 @@ static void prim_replaceStrings(EvalState & state, const Pos & pos, Value * * ar
std::vector<std::string> from; std::vector<std::string> from;
from.reserve(args[0]->listSize()); from.reserve(args[0]->listSize());
for (auto elem : args[0]->listItems()) for (auto elem : args[0]->listItems())
from.emplace_back(state.forceString(*elem, pos, "While evaluating one of the strings to replace in builtins.replaceStrings")); from.emplace_back(state.forceString(*elem, pos, "While evaluating one of the strings to replace in builtins.replaceStrings: "));
std::vector<std::pair<std::string, PathSet>> to; std::vector<std::pair<std::string, PathSet>> to;
to.reserve(args[1]->listSize()); to.reserve(args[1]->listSize());
for (auto elem : args[1]->listItems()) { for (auto elem : args[1]->listItems()) {
PathSet ctx; PathSet ctx;
auto s = state.forceString(*elem, ctx, pos, "While evaluating one of the replacement strings of builtins.replaceStrings"); auto s = state.forceString(*elem, ctx, pos, "While evaluating one of the replacement strings of builtins.replaceStrings: ");
to.emplace_back(s, std::move(ctx)); to.emplace_back(s, std::move(ctx));
} }
PathSet context; PathSet context;
auto s = state.forceString(*args[2], context, pos, "While evaluating the third argument passed to builtins.replaceStrings"); auto s = state.forceString(*args[2], context, pos, "While evaluating the third argument passed to builtins.replaceStrings: ");
std::string res; std::string res;
// Loops one past last character to handle the case where 'from' contains an empty string. // Loops one past last character to handle the case where 'from' contains an empty string.
@ -3750,7 +3750,7 @@ static RegisterPrimOp primop_replaceStrings({
static void prim_parseDrvName(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_parseDrvName(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto name = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.parseDrvName"); auto name = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.parseDrvName: ");
DrvName parsed(name); DrvName parsed(name);
auto attrs = state.buildBindings(2); auto attrs = state.buildBindings(2);
attrs.alloc(state.sName).mkString(parsed.name); attrs.alloc(state.sName).mkString(parsed.name);
@ -3774,8 +3774,8 @@ static RegisterPrimOp primop_parseDrvName({
static void prim_compareVersions(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_compareVersions(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto version1 = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.compareVersions"); auto version1 = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.compareVersions: ");
auto version2 = state.forceStringNoCtx(*args[1], pos, "While evaluating the second argument passed to builtins.compareVersions"); auto version2 = state.forceStringNoCtx(*args[1], pos, "While evaluating the second argument passed to builtins.compareVersions: ");
v.mkInt(compareVersions(version1, version2)); v.mkInt(compareVersions(version1, version2));
} }
@ -3794,7 +3794,7 @@ static RegisterPrimOp primop_compareVersions({
static void prim_splitVersion(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_splitVersion(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
auto version = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.splitVersion"); auto version = state.forceStringNoCtx(*args[0], pos, "While evaluating the first argument passed to builtins.splitVersion: ");
auto iter = version.cbegin(); auto iter = version.cbegin();
Strings components; Strings components;
while (iter != version.cend()) { while (iter != version.cend()) {

22
src/libexpr/primops/context.cc
View file

@ -7,7 +7,7 @@ namespace nix {
static void prim_unsafeDiscardStringContext(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_unsafeDiscardStringContext(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[0], context, "While evaluating the argument passed to builtins.unsafeDiscardStringContext"); auto s = state.coerceToString(pos, *args[0], context, "While evaluating the argument passed to builtins.unsafeDiscardStringContext: ");
v.mkString(*s); v.mkString(*s);
} }
@ -17,7 +17,7 @@ static RegisterPrimOp primop_unsafeDiscardStringContext("__unsafeDiscardStringCo
static void prim_hasContext(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_hasContext(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
state.forceString(*args[0], context, pos, "While evaluating the argument passed to builtins.hasContext"); state.forceString(*args[0], context, pos, "While evaluating the argument passed to builtins.hasContext: ");
v.mkBool(!context.empty()); v.mkBool(!context.empty());
} }
@ -33,7 +33,7 @@ static RegisterPrimOp primop_hasContext("__hasContext", 1, prim_hasContext);
static void prim_unsafeDiscardOutputDependency(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_unsafeDiscardOutputDependency(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[0], context, "While evaluating the argument passed to builtins.unsafeDiscardOutputDependency"); auto s = state.coerceToString(pos, *args[0], context, "While evaluating the argument passed to builtins.unsafeDiscardOutputDependency: ");
PathSet context2; PathSet context2;
for (auto & p : context) for (auto & p : context)
@ -72,7 +72,7 @@ static void prim_getContext(EvalState & state, const Pos & pos, Value * * args,
Strings outputs; Strings outputs;
}; };
PathSet context; PathSet context;
state.forceString(*args[0], context, pos, "While evaluating the argument passed to builtins.getContext"); state.forceString(*args[0], context, pos, "While evaluating the argument passed to builtins.getContext: ");
auto contextInfos = std::map<Path, ContextInfo>(); auto contextInfos = std::map<Path, ContextInfo>();
for (const auto & p : context) { for (const auto & p : context) {
Path drv; Path drv;
@ -136,9 +136,9 @@ static RegisterPrimOp primop_getContext("__getContext", 1, prim_getContext);
static void prim_appendContext(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_appendContext(EvalState & state, const Pos & pos, Value * * args, Value & v)
{ {
PathSet context; PathSet context;
auto orig = state.forceString(*args[0], context, pos, "while evaluating the first argument passed to builtins.appendContext"); auto orig = state.forceString(*args[0], context, pos, "while evaluating the first argument passed to builtins.appendContext: ");
state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.appendContext"); state.forceAttrs(*args[1], pos, "While evaluating the second argument passed to builtins.appendContext: ");
auto sPath = state.symbols.create("path"); auto sPath = state.symbols.create("path");
auto sAllOutputs = state.symbols.create("allOutputs"); auto sAllOutputs = state.symbols.create("allOutputs");
@ -150,16 +150,16 @@ static void prim_appendContext(EvalState & state, const Pos & pos, Value * * arg
}); });
if (!settings.readOnlyMode) if (!settings.readOnlyMode)
state.store->ensurePath(state.store->parseStorePath(i.name)); state.store->ensurePath(state.store->parseStorePath(i.name));
state.forceAttrs(*i.value, *i.pos, "While evaluating the value of a string context"); state.forceAttrs(*i.value, *i.pos, "While evaluating the value of a string context: ");
auto iter = i.value->attrs->find(sPath); auto iter = i.value->attrs->find(sPath);
if (iter != i.value->attrs->end()) { if (iter != i.value->attrs->end()) {
if (state.forceBool(*iter->value, *iter->pos, "While evaluating the `path` attribute of a string context")) if (state.forceBool(*iter->value, *iter->pos, "While evaluating the `path` attribute of a string context: "))
context.insert(i.name); context.insert(i.name);
} }
iter = i.value->attrs->find(sAllOutputs); iter = i.value->attrs->find(sAllOutputs);
if (iter != i.value->attrs->end()) { if (iter != i.value->attrs->end()) {
if (state.forceBool(*iter->value, *iter->pos, "While evaluating the `allOutputs` attribute of a string context")) { if (state.forceBool(*iter->value, *iter->pos, "While evaluating the `allOutputs` attribute of a string context: ")) {
if (!isDerivation(i.name)) { if (!isDerivation(i.name)) {
throw EvalError({ throw EvalError({
.msg = hintfmt("Tried to add all-outputs context of %s, which is not a derivation, to a string", i.name), .msg = hintfmt("Tried to add all-outputs context of %s, which is not a derivation, to a string", i.name),
@ -172,7 +172,7 @@ static void prim_appendContext(EvalState & state, const Pos & pos, Value * * arg
iter = i.value->attrs->find(state.sOutputs); iter = i.value->attrs->find(state.sOutputs);
if (iter != i.value->attrs->end()) { if (iter != i.value->attrs->end()) {
state.forceList(*iter->value, *iter->pos, "While evaluating the `outputs` attribute of a string context"); state.forceList(*iter->value, *iter->pos, "While evaluating the `outputs` attribute of a string context: ");
if (iter->value->listSize() && !isDerivation(i.name)) { if (iter->value->listSize() && !isDerivation(i.name)) {
throw EvalError({ throw EvalError({
.msg = hintfmt("Tried to add derivation output context of %s, which is not a derivation, to a string", i.name), .msg = hintfmt("Tried to add derivation output context of %s, which is not a derivation, to a string", i.name),
@ -180,7 +180,7 @@ static void prim_appendContext(EvalState & state, const Pos & pos, Value * * arg
}); });
} }
for (auto elem : iter->value->listItems()) { for (auto elem : iter->value->listItems()) {
auto name = state.forceStringNoCtx(*elem, *iter->pos, "While evaluating an output name within a string context"); auto name = state.forceStringNoCtx(*elem, *iter->pos, "While evaluating an output name within a string context: ");
context.insert(concatStrings("!", name, "!", i.name)); context.insert(concatStrings("!", name, "!", i.name));
} }
} }

8
src/libexpr/primops/fetchMercurial.cc
View file

@ -22,18 +22,18 @@ static void prim_fetchMercurial(EvalState & state, const Pos & pos, Value * * ar
for (auto & attr : *args[0]->attrs) { for (auto & attr : *args[0]->attrs) {
std::string_view n(attr.name); std::string_view n(attr.name);
if (n == "url") if (n == "url")
url = state.coerceToString(*attr.pos, *attr.value, context, false, false, "While evaluating the `url` attribute passed to builtins.fetchMercurial").toOwned(); url = state.coerceToString(*attr.pos, *attr.value, context, false, false, "While evaluating the `url` attribute passed to builtins.fetchMercurial: ").toOwned();
else if (n == "rev") { else if (n == "rev") {
// Ugly: unlike fetchGit, here the "rev" attribute can // Ugly: unlike fetchGit, here the "rev" attribute can
// be both a revision or a branch/tag name. // be both a revision or a branch/tag name.
auto value = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the `rev` attribute passed to builtins.fetchMercurial"); auto value = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the `rev` attribute passed to builtins.fetchMercurial: ");
if (std::regex_match(value.begin(), value.end(), revRegex)) if (std::regex_match(value.begin(), value.end(), revRegex))
rev = Hash::parseAny(value, htSHA1); rev = Hash::parseAny(value, htSHA1);
else else
ref = value; ref = value;
} }
else if (n == "name") else if (n == "name")
name = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the `name` attribute passed to builtins.fetchMercurial"); name = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the `name` attribute passed to builtins.fetchMercurial: ");
else else
throw EvalError({ throw EvalError({
.msg = hintfmt("unsupported argument '%s' to 'fetchMercurial'", attr.name), .msg = hintfmt("unsupported argument '%s' to 'fetchMercurial'", attr.name),
@ -48,7 +48,7 @@ static void prim_fetchMercurial(EvalState & state, const Pos & pos, Value * * ar
}); });
} else } else
url = state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to builtins.fetchMercurial").toOwned(); url = state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to builtins.fetchMercurial: ").toOwned();
// FIXME: git externals probably can be used to bypass the URI // FIXME: git externals probably can be used to bypass the URI
// whitelist. Ah well. // whitelist. Ah well.

14
src/libexpr/primops/fetchTree.cc
View file

@ -102,7 +102,7 @@ static void fetchTree(
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
if (args[0]->type() == nAttrs) { if (args[0]->type() == nAttrs) {
state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.fetchTree"); state.forceAttrs(*args[0], pos, "While evaluating the argument passed to builtins.fetchTree: ");
fetchers::Attrs attrs; fetchers::Attrs attrs;
@ -112,7 +112,7 @@ static void fetchTree(
.msg = hintfmt("unexpected attribute 'type'"), .msg = hintfmt("unexpected attribute 'type'"),
.errPos = pos .errPos = pos
}); });
type = state.forceStringNoCtx(*aType->value, *aType->pos, "While evaluating the `type` attribute passed to builtins.fetchTree"); type = state.forceStringNoCtx(*aType->value, *aType->pos, "While evaluating the `type` attribute passed to builtins.fetchTree: ");
} else if (!type) } else if (!type)
throw Error({ throw Error({
.msg = hintfmt("attribute 'type' is missing in call to 'fetchTree'"), .msg = hintfmt("attribute 'type' is missing in call to 'fetchTree'"),
@ -151,7 +151,7 @@ static void fetchTree(
input = fetchers::Input::fromAttrs(std::move(attrs)); input = fetchers::Input::fromAttrs(std::move(attrs));
} else { } else {
auto url = state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to the fetcher").toOwned(); auto url = state.coerceToString(pos, *args[0], context, false, false, "While evaluating the first argument passed to the fetcher: ").toOwned();
if (type == "git") { if (type == "git") {
fetchers::Attrs attrs; fetchers::Attrs attrs;
@ -198,11 +198,11 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
for (auto & attr : *args[0]->attrs) { for (auto & attr : *args[0]->attrs) {
std::string n(attr.name); std::string n(attr.name);
if (n == "url") if (n == "url")
url = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the url we should fetch"); url = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the url we should fetch: ");
else if (n == "sha256") else if (n == "sha256")
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the sha256 of the content we should fetch"), htSHA256); expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the sha256 of the content we should fetch: "), htSHA256);
else if (n == "name") else if (n == "name")
name = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the name of the content we should fetch"); name = state.forceStringNoCtx(*attr.value, *attr.pos, "While evaluating the name of the content we should fetch: ");
else else
throw EvalError({ throw EvalError({
.msg = hintfmt("unsupported argument '%s' to '%s'", attr.name, who), .msg = hintfmt("unsupported argument '%s' to '%s'", attr.name, who),
@ -216,7 +216,7 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
.errPos = pos .errPos = pos
}); });
} else } else
url = state.forceStringNoCtx(*args[0], pos, "While evaluating the url we should fetch"); url = state.forceStringNoCtx(*args[0], pos, "While evaluating the url we should fetch: ");
url = resolveUri(*url); url = resolveUri(*url);

2
src/libexpr/primops/fromTOML.cc
View file

@ -7,7 +7,7 @@ namespace nix {
static void prim_fromTOML(EvalState & state, const Pos & pos, Value * * args, Value & val) static void prim_fromTOML(EvalState & state, const Pos & pos, Value * * args, Value & val)
{ {
auto toml = state.forceStringNoCtx(*args[0], pos, "While evaluating the argument passed to builtins.fromTOML"); auto toml = state.forceStringNoCtx(*args[0], pos, "While evaluating the argument passed to builtins.fromTOML: ");
std::istringstream tomlStream(std::string{toml}); std::istringstream tomlStream(std::string{toml});

2
src/nix/eval.cc
View file

@ -107,7 +107,7 @@ struct CmdEval : MixJSON, InstallableCommand
else if (raw) { else if (raw) {
stopProgressBar(); stopProgressBar();
std::cout << *state->coerceToString(noPos, *v, context, "While generating the eval command output"); std::cout << *state->coerceToString(noPos, *v, context, "While generating the eval command output: ");
} }
else if (json) { else if (json) {

4
src/nix/flake.cc
View file

@ -126,12 +126,12 @@ static void enumerateOutputs(EvalState & state, Value & vFlake,
std::function<void(const std::string & name, Value & vProvide, const Pos & pos)> callback) std::function<void(const std::string & name, Value & vProvide, const Pos & pos)> callback)
{ {
auto pos = vFlake.determinePos(noPos); auto pos = vFlake.determinePos(noPos);
state.forceAttrs(vFlake, pos, "While evaluating a flake to get its outputs"); state.forceAttrs(vFlake, pos, "While evaluating a flake to get its outputs: ");
auto aOutputs = vFlake.attrs->get(state.symbols.create("outputs")); auto aOutputs = vFlake.attrs->get(state.symbols.create("outputs"));
assert(aOutputs); assert(aOutputs);
state.forceAttrs(*aOutputs->value, pos, "While evaluating the outputs of a flake"); state.forceAttrs(*aOutputs->value, pos, "While evaluating the outputs of a flake: ");
auto sHydraJobs = state.symbols.create("hydraJobs"); auto sHydraJobs = state.symbols.create("hydraJobs");

2
src/nix/main.cc
View file

@ -196,7 +196,7 @@ static void showHelp(std::vector<std::string> subcommand, MultiCommand & topleve
if (!attr) if (!attr)
throw UsageError("Nix has no subcommand '%s'", concatStringsSep("", subcommand)); throw UsageError("Nix has no subcommand '%s'", concatStringsSep("", subcommand));
auto markdown = state.forceString(*attr->value, noPos, "While evaluating the lowdown help text"); auto markdown = state.forceString(*attr->value, noPos, "While evaluating the lowdown help text: ");
RunPager pager; RunPager pager;
std::cout << renderMarkdownToTerminal(markdown) << "\n"; std::cout << renderMarkdownToTerminal(markdown) << "\n";

16
src/nix/prefetch.cc
View file

@ -28,17 +28,17 @@ std::string resolveMirrorUrl(EvalState & state, const std::string & url)
Value vMirrors; Value vMirrors;
// FIXME: use nixpkgs flake // FIXME: use nixpkgs flake
state.eval(state.parseExprFromString("import <nixpkgs/pkgs/build-support/fetchurl/mirrors.nix>", "."), vMirrors); state.eval(state.parseExprFromString("import <nixpkgs/pkgs/build-support/fetchurl/mirrors.nix>", "."), vMirrors);
state.forceAttrs(vMirrors, noPos, "While evaluating the set of all mirrors"); state.forceAttrs(vMirrors, noPos, "While evaluating the set of all mirrors: ");
auto mirrorList = vMirrors.attrs->find(state.symbols.create(mirrorName)); auto mirrorList = vMirrors.attrs->find(state.symbols.create(mirrorName));
if (mirrorList == vMirrors.attrs->end()) if (mirrorList == vMirrors.attrs->end())
throw Error("unknown mirror name '%s'", mirrorName); throw Error("unknown mirror name '%s'", mirrorName);
state.forceList(*mirrorList->value, noPos, "While evaluating this mirror configuration"); state.forceList(*mirrorList->value, noPos, "While evaluating this mirror configuration: ");
if (mirrorList->value->listSize() < 1) if (mirrorList->value->listSize() < 1)
throw Error("mirror URL '%s' did not expand to anything", url); throw Error("mirror URL '%s' did not expand to anything", url);
std::string mirror(state.forceString(*mirrorList->value->listElems()[0], noPos, "While evaluating the first available mirror")); std::string mirror(state.forceString(*mirrorList->value->listElems()[0], noPos, "While evaluating the first available mirror: "));
return mirror + (hasSuffix(mirror, "/") ? "" : "/") + s.substr(p + 1); return mirror + (hasSuffix(mirror, "/") ? "" : "/") + s.substr(p + 1);
} }
@ -196,27 +196,27 @@ static int main_nix_prefetch_url(int argc, char * * argv)
Value vRoot; Value vRoot;
state->evalFile(path, vRoot); state->evalFile(path, vRoot);
Value & v(*findAlongAttrPath(*state, attrPath, autoArgs, vRoot).first); Value & v(*findAlongAttrPath(*state, attrPath, autoArgs, vRoot).first);
state->forceAttrs(v, noPos, "While evaluating the source attribute to prefetch"); state->forceAttrs(v, noPos, "While evaluating the source attribute to prefetch: ");
/* Extract the URL. */ /* Extract the URL. */
auto & attr = v.attrs->need(state->symbols.create("urls")); auto & attr = v.attrs->need(state->symbols.create("urls"));
state->forceList(*attr.value, noPos, "While evaluating the urls to prefetch"); state->forceList(*attr.value, noPos, "While evaluating the urls to prefetch: ");
if (attr.value->listSize() < 1) if (attr.value->listSize() < 1)
throw Error("'urls' list is empty"); throw Error("'urls' list is empty");
url = state->forceString(*attr.value->listElems()[0], noPos, "While evaluating the first url from the urls list"); url = state->forceString(*attr.value->listElems()[0], noPos, "While evaluating the first url from the urls list: ");
/* Extract the hash mode. */ /* Extract the hash mode. */
auto attr2 = v.attrs->get(state->symbols.create("outputHashMode")); auto attr2 = v.attrs->get(state->symbols.create("outputHashMode"));
if (!attr2) if (!attr2)
printInfo("warning: this does not look like a fetchurl call"); printInfo("warning: this does not look like a fetchurl call");
else else
unpack = state->forceString(*attr2->value, noPos, "While evaluating the outputHashMode of the source to prefetch") == "recursive"; unpack = state->forceString(*attr2->value, noPos, "While evaluating the outputHashMode of the source to prefetch: ") == "recursive";
/* Extract the name. */ /* Extract the name. */
if (!name) { if (!name) {
auto attr3 = v.attrs->get(state->symbols.create("name")); auto attr3 = v.attrs->get(state->symbols.create("name"));
if (!attr3) if (!attr3)
name = state->forceString(*attr3->value, noPos, "While evaluating the name of the source to prefetch"); name = state->forceString(*attr3->value, noPos, "While evaluating the name of the source to prefetch: ");
} }
} }

8
src/nix/repl.cc
View file

@ -342,7 +342,7 @@ StringSet NixRepl::completePrefix(const std::string & prefix)
Expr * e = parseString(expr); Expr * e = parseString(expr);
Value v; Value v;
e->eval(*state, *env, v); e->eval(*state, *env, v);
state->forceAttrs(v, noPos, "nevermind, it is ignored anyway"); state->forceAttrs(v, noPos, "nevermind, it is ignored anyway: ");
for (auto & i : *v.attrs) { for (auto & i : *v.attrs) {
std::string name = i.name; std::string name = i.name;
@ -461,7 +461,7 @@ bool NixRepl::processLine(std::string line)
if (v.type() == nPath || v.type() == nString) { if (v.type() == nPath || v.type() == nString) {
PathSet context; PathSet context;
auto filename = state->coerceToString(noPos, v, context, "While evaluating the filename to edit"); auto filename = state->coerceToString(noPos, v, context, "While evaluating the filename to edit: ");
pos.file = state->symbols.create(*filename); pos.file = state->symbols.create(*filename);
} else if (v.isLambda()) { } else if (v.isLambda()) {
pos = v.lambda.fun->pos; pos = v.lambda.fun->pos;
@ -675,7 +675,7 @@ void NixRepl::reloadFiles()
void NixRepl::addAttrsToScope(Value & attrs) void NixRepl::addAttrsToScope(Value & attrs)
{ {
state->forceAttrs(attrs, [&]() { return attrs.determinePos(noPos); }, "While evaluating an attribute set to be merged in the global scope"); state->forceAttrs(attrs, [&]() { return attrs.determinePos(noPos); }, "While evaluating an attribute set to be merged in the global scope: ");
if (displ + attrs.attrs->size() >= envSize) if (displ + attrs.attrs->size() >= envSize)
throw Error("environment full; cannot add more variables"); throw Error("environment full; cannot add more variables");
@ -780,7 +780,7 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m
Bindings::iterator i = v.attrs->find(state->sDrvPath); Bindings::iterator i = v.attrs->find(state->sDrvPath);
PathSet context; PathSet context;
if (i != v.attrs->end()) if (i != v.attrs->end())
str << state->store->printStorePath(state->coerceToStorePath(*i->pos, *i->value, context, "While evaluating the drvPath of a derivation")); str << state->store->printStorePath(state->coerceToStorePath(*i->pos, *i->value, context, "While evaluating the drvPath of a derivation: "));
else else
str << "???"; str << "???";
str << "»"; str << "»";

2
src/nix/upgrade-nix.cc
View file

@ -144,7 +144,7 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand
Bindings & bindings(*state->allocBindings(0)); Bindings & bindings(*state->allocBindings(0));
auto v2 = findAlongAttrPath(*state, settings.thisSystem, bindings, *v).first; auto v2 = findAlongAttrPath(*state, settings.thisSystem, bindings, *v).first;
return store->parseStorePath(state->forceString(*v2, noPos, "While evaluating the path tho latest nix version")); return store->parseStorePath(state->forceString(*v2, noPos, "While evaluating the path tho latest nix version: "));
} }
}; };